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Dumbbells: Our Buying Guide

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Free weights are simple instruments designed for practicing functional fitness. In other words, they’re made for enhancing certain exercises, in order to increase strength, stamina, powerpak 445 adjustable dumbbells from Universaland improve reflexes. Evidently, the most common free weights used by anyone who wants to get in shape, improve their overall level of fitness, and gain muscle mass, are the dumbbells. These are great to use at home, and almost everyone who has a home gym, has at least a few sets.

However, if you’ve ever been to a fitness store, or have accessed several online stores focused on fitness equipment, you’ve probably been overwhelmed by the plethora of free weights available. They come in various shapes, sizes, colors and systems. So, the question is, which ones are the best for you?

In this post we’ll focus particularly on this issue. We’ll put into view the types of dumbbells available, and the most important aspects that you must not overlook when choosing your sets.

Types of Dumbbells

Fixed Weight Dumbbells

As the term suggests, a fixed weight dumbbell consists of one solid piece. The weight heads are either welded onto the bar, or the bar is threaded into the weight heads, pinned and press-fitted. In most fixed weight dumbbells, the weight heads are difficult to remove or fixed weight dumbbellsreplace; the connection between them and the handles is really tight. That’s why these weights can typically take a lot of abuse before they break.

The weight heads of fixed dumbbells are typically made of cast iron. Depending on brand, they can have different shapes. They can be cylindrical, spherical, square etc. However, the most common shape used for the weight heads is hexagonal. Thus, the free weights with hexagonal shaped weight heads are commonly referred to as hex dumbbells.

This type of weights comes with certain advantages. For example, if placed on the floor, they won’t roll away. Also, they’re great for certain exercises, such as dumbbell push-ups, as they offer superior stability, and the user can easily focus on their form rather than equilibrium, which results in a better workout.

Fixed dumbbells can have various coatings on their weight heads and handles, such as corrosion-resistant enamels, chrome paint, urethane or rubber. Each type of coating comes with its own pluses and minuses, and we’ll cover those in one of the next sections of this post.

Evidently, in case you’re looking forward to investing in a set of fixed free weights, you should be informed about their advantages and disadvantages.

Advantages

1. They’re extremely easy to use. They’re pick-and-go free weights, don’t require any adjustment.

2. They’re extremely sturdy. As opposed to adjustable dumbbells, fixed ones are less likely to break.

3. They’re perfect for P90X or similar workout programs which require the alternance of different weights. Of course, for this, you’ll need multiple sets of two dumbbells, but nonetheless, it’s much more convenient to just pick up the right set of two for a specific exercise, rather than adjusting weight.

4. They’re usually smaller than the adjustable ones for almost any weight increment.

5. They don’t make any sounds and don’t wobble when in use.

Disadvantages

1. They take a lot of space, as each weight increment is basically a set of two dumbbells with the same weight. So, to keep them organized, a rack is required.

2. A set of several pairs will weigh a lot more than a set of adjustable dumbbells. For example, a set of 5-50 lbs fixed hex dumbbells, with weight increments of 5 lbs, is going to weigh 550 lbs. So, the transport of such a set may not be an easy task.

3. Considering that a certain weight range for a set of fixed dumbbells basically packs a lot of iron, they’re typically more expensive than adjustable dumbbells.

Adjustable Dumbbells

There are many types of adjustable dumbbells, but they can be divided into two main categories: “classic” adjustable dumbbells and “selectorized” dumbbells (or quick-adjustable dumbbells).

Classic Adjustable Dumbbells

The dumbbells with a “classic” adjustment system involve simple bars, threaded or not, with stoppers on each side close to the middle of the handle, and in general, circular weight plates. Depending on the type of bars used, the plates are secured on them via threaded starring 200 lbs - 2 dumbbells setcollars or spring locks.

Olympic dumbbell bars feature sleeves with a 2″ (50.8 mm) diameter, and require weight plates with 2″ (50.8 mm) holes. The grip parts of these bars are usually slimmer than the sleeves. Evidently, weight plates with smaller holes than 2″ won’t fit on Olympic dumbbell bars. The sleeves of these bars are simple, not threaded, and the plates are locked onto them with spring collars.

Standard dumbbell bars feature threaded sleeves, with a diameter of 1″ (25.4 mm), which evidently require weight plates with 1″ holes. The weight plates are secured on these bars via threaded collars. You’ll find Standard bars of various lengths, beginning with 14″ (35.5 cm) and up to 22″ (55.8 cm).

Now, along with these two common types of dumbbell bars, Olympic and Standard, you’ll find various other types of bars, which may have a different thickness, and may or may not be compatible with 1″ weight plates. For example, various adjustable dumbbells such as the Yes4All 105 lbs set, feature bars with 1.25″ sleeves, and weight plates with 1.25″ holes. Now, you can load Olympic weight plates onto these bars, but evidently Standard 1″ ones won’t fit.

So as a bit of conclusion here, when you purchase or order dumbbell bars, pay close attention to the diameter of their sleeves, and their compatibility with various types of weight plates.

Weight plates for this type of adjustable dumbbells are typically made of cast iron, with various coatings, such as enamels, rubbers, urethane or chrome. However, you’ll also find cheaper ones, usually made of concrete or other materials, covered by a sheet of vinyl. These are, in general, thicker plates, and you won’t be able to fit as many as cast iron plates, on a given dumbbell bar. They’re also less durable.

Advantages

1. They’re safe and reliable. Weight plates are usually held very tight on the bars, being less likely to come off, even when you drop them.

2. Space-savvy. For example, one 5-50 lbs dumbbell set with two dumbbell bars, can basically replace 10 sets of hex dumbbells. You don’t need a rack for them. You can either stack weight plates off the bars, in a pyramid, or simply load them all up onto the bars when you finish your workout, in order to save space.

3. Portable. It’s pretty obvious that a 5-52.5 lbs adjustable dumbbell set weighs much less than a 5-50 hex dumbbell set. It will include 110 lbs worth of weight plates, plus the bars which are 10 lbs more. On the other hand, a 5-50 hex dumbbell set weighs 550 lbs.

4. Easy to find extra plates for sale, in case you need to increase your weight range. But in this case, it’s best to opt for a Standard or Olympic set from the start, as they feature standard 1″ or 2″ bars.

5. You can have an off-set weight for each dumbbell, by loading extra plates on one side, in order to achieve a better burn on certain muscles.

Disadvantages

1. The loading and unloading of the weight plates may be bothersome for some users. However, this can be remedied by using 2-3 sets of dumbbell bars, and getting the required amount of weight plates on each set for the exercises you want to perform.

2. If not secured properly on the handles via their collars or spring locks, the weight plates may rattle or click when in use. Some users may find this bothersome as well.

“Selectorized” Dumbbells

“Selectorized” dumbbells are adjustable free weights that feature various quick-adjustment systems. Each dumbbell comes with a pre-defined number of plates, and typically an adjustment crate. By turning a dial, or moving a pin in order to select a specific number of XMark Fitness dumbbells - plates and handle closeupweight plates on each side, you can quickly adjust the weight of such a dumbbell. Thus, when picking up the dumbbell, only the selected number of plates will remain attached on the axle of the dumbbell, the rest remaining on the crate. Two good examples of “selectorized” adjustable dumbbells are the Bowflex 1090 and the PowerBlock Elite.

Depending on brand, “selectorized” dumbbells may have different constructions. But in general, most of them feature “internal” elements that lock and sustain the weight plates onto the handles. These elements are often made of plastic. So, if you drop the weights or put too much pressure on them, they may break, resulting in plates falling off. Thus, if you want a set of this sort to last, you’ll have to treat them with a little bit more care than other dumbbells.

The weight plates used for these dumbbells are usually made of steel, featuring an urethane, or heavy-duty plastic coating, to which the sustaining parts attach during adjustment. However, there are quick-adjustable dumbbells such as the Bayou Fitness ones, which use all-metal weight plates, with a chrome or enamel finish.

Advantages

1. Evidently, the number one advantage of this type of dumbbells is the quick-adjustment system. If a “normal” type adjustable dumbbell takes approx. 30-50 sec. to adjust, adjustment in a “selectorized” dumbbell takes only 4-5 sec. Thus, they are great to use if you want to follow certain workout programs, which require dumbbells of various weights for each set of exercises.

2. Space-savvy. Depending on model, one set of fast-adjustment weights can replace 10 or even more sets of fixed weights. You don’t need a whole rack for them, usually the trays they come with offer the required storage place.

3. Portable. Evidently, there’s much less weight in an adjustable dumbbell set than in a non-adjustable set with the same weight range.

4. Sleek design. Most quick-adjustable weights feature a really pro look, which for some users can be quite a motivation factor.

Disadvantages

1. Bulkiness. Evidently, since one handle is made to hold multiple weight plates, it’s pretty long, usually 15.5″ (39.3 cm) or even longer. Evidently, if you want to workout with a weight of 10 lbs for each dumbbell, the length of the axle will remain the same. Thus, the 10 lbs adjustable dumbbell, will be much longer and bigger than a 10 lbs hex dumbbell.

2. Less sturdy than classic adjustable dumbbells, due to the internal elements which sustain the weight plates.

About Dumbbell Handles

knurling-on-standard-bars

Knurling on Standard Dumbbell Bars

When it comes to dumbbell handles, there isn’t much to be said. However, there are several aspects to be mentioned. First of all, there are two main types of handles: steel-made, knurled with a chrome or paint finish or handles covered by a sheet of urethane, neoprene or rubber foam. Now, a seasoned user may not have any problem at all with just about any type of handle. But for a beginner, handles with a steel, knurled grip may be too abrasive to the hands. A pair of gloves can, of course, solve the problem, but it’s important to be aware of this aspect.

On the other hand, padded handles with various materials offer more comfort and a superior grip. But it’s pretty obvious that a more sophisticated handle will be reflected in the price.

Handles can also be cylindrical and arched. Evidently, arched handles are friendlier to the hand. Most “selectorized” dumbbells feature arched handles, while Standard or Olympic dumbbell bars have cylindrical handles with a knurled finish.

About Weights Coatings

As we’ve mentioned above, depending on brand or series, dumbbells may come with various types of coatings on their weight plates or weight heads. The most common are paint, chrome, rubber, vinyl, and urethane. Each type of coating has its own pluses and minuses.

Paint. In general, the paints used for dumbbell weight plates are corrosion-resistant, oil paints. Evidently, the cheaper the dumbbell set or plates, the cheaper the paint. Cheaper paint may peel off after a while. But on the other hand, the weights can be re-painted.

Chrome. Similar to paint, the chrome finish for various weight plates prevents them from catching rust. It also gives the dumbbells a shiny, sleek look which for some can be quite a motivation factor. But on the other hand, depending on the chrome coating quality, it can peel off just like regular paint, especially if the weights are dropped on a hard surface. Chrome plates or dumbbell sets that feature chrome weight plates are usually a bit more expensive than painted ones.

Vinyl / Cement Adjustable Dumbbells

Vinyl / Cement Adjustable Dumbbells

Rubber. In general, dumbbells with rubber coating on their weight plates or weight heads have a professional look. Rubber not only offers rust protection, but it also protects your floors from damage in case you drop them. But on the other hand, rubber coatings may come with a few downsides. Depending on the type of rubber, it may leave marks on your clothing or floors. Also, the rubber may emanate an odor at least for a while. So, if for example, you want to order multiple sets of rubberized hex dumbbells, and place the rack in a small room, the room will probably be filled by the rubber odor, which will persist for a while. Lastly, rubberized dumbbells are typically more expensive than the ones with paint or chrome.

Vinyl. This is a type of coating used typically for concrete weights, not cast iron. These types of weights are usually cheaper than the cast iron ones. Considering that concrete has a lower density than iron, these types of weights are usually bulkier. Of course, depending on the brand, there are more or less durable weight concrete/vinyl plates. But in general, these don’t offer the sturdiness of cast-iron weights. Especially if constantly abused, they will eventually fall apart. However, vinyl is also used on fixed, typically small weight dumbbells, the ones that are used in general for aerobic exercises.

Urethane. Urethane is far more resistant than most plastics. It has a specific level of elasticity and sturdiness. This type of coating is typically used on “selectorized” dumbbells, covering steel or cast iron weight plates. Not only it gives them a more compact aspect, it also typically plays an important role in the locking and sustaining system of the plates. But nonetheless, even though urethane is a durable material, this type of weights can sustain damage is not used with a little bit of extra care.

Other Aspects to Consider

Now that you know the most important aspects regarding dumbbells, there still are several aspects to consider before committing to a certain set. These are:

Type of Training

There are many types of exercises that involve dumbbells. But depending on the type of workout you’re aiming for, certain types may suit you better than others. For example, if you want to follow a training program such as P90X, it’s best to opt either for a set of selectorized dumbbells such as the PowerBlock Elite or for multiple sets of two dumbbells. This way, you’ll be able to quickly swap between weights and alternate exercises. Classic adjustable dumbbells may take too long to adjust. But still, you can opt for 2-3 pairs, load them up with the plates you want for the next exercises, and thus minimize the need for adjustment.

On the other hand, if you want to perform various aerobic exercises using lighter, 2.5-5.0 lbs dumbbells, it’s best to opt for fixed weight dumbbells. These are regularly smaller than the adjustable ones, and won’t hinder your movements in any way.

Adjustment Increments

This is an aspect to consider especially if you want quick adjustable dumbbells. Some of them only allow 5 lbs adjustment increments. Evidently, that will be a problem if you want increments of 2.5 lbs. Also, various selectorized adjustable dumbbells don’t offer the possibility to create an off-set weight. Even though not all users may want this, it’s still an aspect that you shouldn’t overlook.

Your Available Space

A set of dumbbells, adjustable or not, does not exactly take the space an elliptical machine or treadmill would take. Even if you opt for a set of hex dumbbells with a rack, it still shouldn’t be more than 4′ (122 cm) long and 20″-25″ (51-63 cm) wide. But still, if storage space is an issue, it’s definitely an aspect to consider. In this case, a set of selectorized adjustable dumbbells may be the best choice.

Price

When it comes to price, there are several aspects to know. First of all, a set of all-metal, basic dumbbells, without any fancy features, shouldn’t cost more than $2 per pound. Second of all, most “selectorized” adjustable dumbbell sets do cost a little bit more than a full set of non-adjustable dumbbells with the same weight range. Third of all, vinyl dumbbells are the cheapest. For example, a 100 lbs set of vinyl dumbbells may cost up to 30% less than a set of cast iron dumbbells with the same weight range. So, if you think you can treat them with care, and the extra thickness of weight plates is not a problem, then vinyl weights may not be a bad investment.

A Few Brands To Consider

Since in this post we’ve covered the three main types of dumbbells, with all their pros and cons, for the last part we’ll point out some of the best choices that you can make in terms of brands.

Bowflex

selecttech-552-bowflex-01-featIn case you haven’t known, Bowflex is a brand name for a whole series of fitness equipment, not just free weights, marketed and sold by Nautilus Inc. There are several types of free weights under the name of Bowflex, but so far, the Bowflex 552 adjustable dumbbells benefit from the highest ratings and best reviews.

The Bowflex 552 dumbbells feature a “selectorized” adjustment system, with weight increments of 2.5 lbs, and a weight range of 52.5 lbs for each dumbbell. The adjustment system consists of a dial on each side of the dumbbell. In other words, it gives you the possibility to also create an off-set weight is you want. They come with the adjustment trays… Read Full Review.

PowerBlock

powerblock adjustable dumbbells - elite series - 70 lb setPowerBlock is a company focusing on adjustable free weights, benches and other accessories for exercises that involve the use of free weights. Their adjustable dumbbells feature an unconventional construction and adjustment system, involving several sets of weight plates connected by metallic rods, which attach to the handle via a connector pin.

The company has been around since 1993, and so far they have released several adjustable dumbbells series. The Elite series, even though it’s not the most recent, it still is one that benefits from many positive reviews, due to the fact that they are made of steel, and they’re manufactured in the U.S.

One of their dumbbell sets that so far benefits from a lot of positivity is the PowerBlock Elite 70 set. As the name suggests, these are dumbbells with a weight range of 5-70 lbs. This set actually replaces 22 pairs of fixed dumbbells… Read Full Review.

Body-Solid

body solid GDR363 rack with SDRS550 dumbbells setBody-Solid is a company that offers various types of fitness equipment, including free weights of various sorts, gym systems and cardio training machines such as treadmills and ellipticals. In terms of free weights, they offer different dumbbells and barbells sets. The dumbbell set that stands out is the SDRS550.

The Body-Solid SDRS550 is set of hex dumbbells, with a weight range between 5-50 lbs. It includes 10 dumbbell sets of two, with increments of 5 lbs. These dumbbells are the classic type, with a knurled, arched handle, and rubberized weight heads. The set is available with the GDR363-RFWS rack… Read Full Review.

A Few Recommendations By Price

Depending on set, brand, materials used, adjustment system and other factors, the prices of dumbbells can largely vary. Now, in case you want a set for your home gym, we’re pretty sure you would want it to be as versatile and as durable as it gets. Therefore, here are several recommendations by price.

Price: Under $250

Yes4All 105 lbs

yes4all-dumbbells-105-01-featYes4All offers adjustable dumbbells sets of various ranges. They’re not the highest quality dumbbells, but they’re some of the most affordable that you can find at the moment. In fact, the 105 lbs set (2 x 52.5 lbs dumbbells), costs less than $100! This means you’ll be paying less than $1 per pound of iron, which is not bad at all.

The Yes4All 105 lbs set features classic adjustable dumbbells, similar to the standard ones. However, the bars are not standard 1″ (2.5 cm). As we’ve mentioned above, they’re 1.25″ (3.1 cm), so you won’t be able to use Standard weight plates. However, at 5-52.5 lbs weight range per dumbbells, these are great for beginners, intermediate users, and even advanced users. The set described here features weight plates with a black paint finish, but there’s also a set featuring chrome plates… Read Full Review.

Unipack MTN Gearsmith 200 lbs

mtn gearsmith - 200 lbs cast iron dumbbellsUnipack dumbbells are quite similar to the Yes4All ones. The only difference is that they comes with Standard, 1″ (2.5 cm) bars, construction and price per pound of iron are basically the same. This particular set also comes with simple, cast iron weight plates, dyed black. The handles are knurled and have a chrome finish.

As the title suggests, the weight range per dumbbell for the Unipack MTN Gearsmith 200 lbs set is 5-100 lbs. In other words, it’s a dumbbell set that can work quite well for advanced users. However, since weight increments are 5 lbs (2.26 kg), these are actually great for users of all levels… Read Full Review.

Starring 200 lbs

starring 200 lbs - adjustable dumbbells setThe last set among the “cheapies” that must appear on this recommendation list, is the Starring 200 lbs set. These dumbbells are similar to the previous recommended ones. They also cost approx. $1 per pound of iron which is quite advantageous. However, the downside is that they don’t come with Standard 1″ bars either.

The sleeves of their bars are knurled and feature a thickness of 1.125″ (2.8 cm), which means Standard 1″ plates won’t fit on them. But then again, the set comes with weight plates which can provide 5-100 lbs (2.26 – 45.3 kg) of weight per dumbbell, which is great for users of all levels… Read Full Review.

Price: $250-$500

Bowflex SelectTech 552

selecttech-552-bowflex-01-featThe Bowflex 552 are some of the highest rated adjustable dumbbells, with a selectorized adjustment system. Even though the first series had some issues with the connections between the weight plates and their sustaining discs, for the newest series this design flaw was corrected. They’re pretty durable dumbbells, but just as most selectorized ones, they should be treated with a bit of extra care.

The Bowflex SelectTech 552 as the name suggests, offer 5-52.5 (2.26 – 23.8 kg) weight range per dumbbell. They offer weight increments of 2.5 lbs (1.13 kg) up to the 25 lbs (11.3 kg) setting, and then up to 52.5 (23.8 kg) the increments are 5 lbs (2.26 kg).

These free weights feature cast iron plates with a heavy-duty plastic composite coating… Read Full Review.

Merax Deluxe 71.5 lbs 

The Merax Deluxe 71.5 lbs are also selectorized adjustable dumbbells as the Bowflex ST 552. However, they have a slightly different adjustment system. The selectors of each dumbbell head are connected, so if for example, you select a 20 lbs  (9.0 kg) weight on one side, the other side will select the same weight and the dumbbell will weigh 20 lbs.  Also, as opposed to the Bowflex dumbbells, the Merax Deluxe have all-metal weight plates. The internal separator and selector discs are also metallic. This considerably improves their sturdiness.

The Merax Deluxe 71.5 lbs adjustable dumbbells offer a pretty decent weight range, from 11 lbs to 71.5 lbs (4.9 – 32.4 kg). The weight increments are 5.5 lbs (2.4 kg). Needless to say, adjustment trays for these dumbbells are included. They’re made of heavy-duty ABS material… Read Full Review.

PowerBlock Elite 70 lbs

powerblock adjustable dumbbells - elite series - 70 lb setPowerBlock offers adjustable dumbbells with an unconventional design and adjustment system. They’re actually a full set of dumbbells stacked together, rather than a group of weight plates loaded onto a bar. Each set of weight plates is connected via steel rods and is locked onto the main handle via a selector pin. The connection between the weight plate sets and the main handle is quite solid, even though the locking / selecting pin is not metallic. It can actually hold much more weight than 70 lbs, the maximum increment for each dumbbell.

The PowerBlock Elite 70 lbs is the set that so far benefits from the most positive reviews. That’s because the Elite series offers a sturdier and simpler construction… Read Full Review.

Price: $500-$1000

IronMaster 75 lbs

ironmaster quick-lock adjustable dumbbells - 75 lbs set with standThe IronMaster 75 lbs are quick-lock adjustable dumbbells, with a system similar to the standard one. The difference is you don’t load up the weight plates onto the main handle, you stack them together on each side, and then connect and lock them to the main handle with a pin-knob which screws into the main handle. These dumbbells feature square weight plates, and one of their advantages is that they’re quite small even with the maximum 75 lbs (34 kg) plate load each. In other words, using these dumbbells, you won’t find your movements restrained in any way.

The IronMaster 75 lbs set comes with a stand with shelves for keeping weight plates stacked and organized. It’s sturdy enough to hold up to 600 lbs (272.1 kg) worth of weight plates… Read Full Review.

Body Solid SDRS550

body solid GDR363 rack with SDRS550 dumbbells setEvidently, fixed weight dumbbells are not to be left out from out recommendation list. And in case you want a 5-50 lbs (2.26 – 22.6 kg) weight range set, you should check out the SDRS550 set from Body Solid. This set presented on this websites comes with the GDR363-RFWS 3-tier rack, but it’s also available without the rack.

The Body Solid SDRS550 set includes classic hex dumbbells with rubberized weight heads, and knurled handles with a chrome finish. The handles are also arched to offer more comfort. Of course, since the whole set plus the rack weighs more than 550 lbs (250 kg), it’s not exactly cheap. However, with the rack included, it costs less than $1,000… Read Full Review.

CAP Barbell 550 lbs

CAP Barbell sdrs 550rThere’s quite a multitude of free weight sets under the name of CAP Barbell. Nonetheless, there are several fixed weight sets available. One of the best and highest rated is the 550 lbs hex rubber dumbbell set.

The CAP Barbell Rubber Hex Dumbbell set offers dumbbells quite similar to the Body-Solid SDRS550. It offers a weight range of 5-50 lbs (2.26 – 22.6 kg), with weight increments of 5 lbs (2.26 kg). The dumbbells feature rubberized hex weight heads, and knurled, arched handles, with a chrome finish. The set also comes with a 4-sided vertical rack, with a small footprint of 23.6″ x 23.6″ (60 x 60 cm). These weights are great for users of all levels… Read Full Review.

Final Pick: Best Adjustable Dumbbells For Home Use

All dumbbell sets presented in the recommendations above come with an excellent price/quality ratio, and they all benefit from 4.5 to 5-star reviews from many users. But when it comes to dumbbells for home use, our final pick is the PowerBlock Elite 70 set, and there are several good reasons behind this choice.

First of all, this PowerBlock set belongs to the Elite series, which features metallic weight sets, not urethane, dyed with a thick, durable enamel. The Elite series is manufactured in the U.S. and comes with a solid warranty. These adjustable free weights feature an extremely secure, stable and compact locking system, being less likely to fail than various other models.

Since they’re “selectorized” free weights, weight adjustment is done quickly. It doesn’t take more than 5-6 seconds to select the desired weight on each dumbbell, as opposed to 40-50 sec. that it takes to load the desired amount of plates on a Standard or Olympic dumbbell.

Another important aspect to mention regarding these dumbbells is their price. Considering that this set covers 22 pairs of dumbbells, in other words, it replaces 1575 lbs (714.4 kg) worth of fixed dumbbells and costs less than $500, the value/price ratio is quite high… Read Full Review.

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