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CAP Barbell Black Cast Iron Hex Dumbbell | 5-120 LBs | Single or Pair

4.5 4.5 out of 5 stars 3,896 ratings

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Black, Single

Purchase options and add-ons

Brand Cap Barbell
Color Black, Single
Item Weight 30 Pounds
Material Cast Iron
Special Feature No Roll Head

About this item

  • VERSATILE – Dumbbells offer the ability to target specific muscle groups or perform a full body workout.
  • CONSTRUCTION – Heads are made from ASTM A48 Class 20 grey iron and joined together by a 1018 cold rolled solid steel handle (sizes 15-120lb) finished with a durable industrial enamel coating.
  • FEATURES – Original Hex Shaped heads prevent rolling. The medium depth knurling on the handle provides essential grip and security during use. Baked enamel coating is a durable and effective finish.
  • FUNCTIONAL – Perfect for iOS, full body, functional and HIIT workouts.
  • CHOICES – This dumbbell group from CAP is available in sizes from 3, 5, 8, 10, 12, 15 - 120 lb. in 5 lb. increments.

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From the manufacturer

CAP Barbell
cast iron dumbbell

weight set
Benefits of Dumbbell Exercises

  • Builds muscle
  • Improves core strength
  • Boosts balance
  • Provides better bone health
  • Burns more calories
  • Increases energy levels
  • Enhances overall mood
  • and more!

CAP Barbell Cast Iron Dumbbell Weights

Black

CAP's Black Cast Iron Hex Dumbbells can be used for both the upper body & lower body to strengthen all muscle groups. The hexagon shape of these dumbbells are designed to prevent the dumbbells from rolling and provide easier storage. Each dumbbell is made of black cast iron, joined together by a cold rolled solid steel handle (sizes 15-120 lb) and finished with a durable industrial enamel coating with gray silver weight markers.

Features & benefits

cast iron dumbbell

hex dumbbell

dumbbell, weights

Anti-slip Grip

The medium depth knurling on the handle provides essential grip and security during use, so your hands do not slip while working up a sweat.

Hex Shaped Heads

The Original Hexagonal Shaped heads on these dumbbells prevent them from rolling when they are set on the floor and makes them easier to store.

Durable Finish

The baked enamel coating is a durable and effective finish, which prevents rust and makes these dumbbells equipped to handle the wear and tear of everyday use.

5 lb weight

Choose the Size that Fits You!

The Black Cast Iron Dumbbell Weights from CAP are available in sizes from 3, 5, 8, 10, 12, and 15 - 120 pounds in 5 lb increments. These dumbbells are also available in 5, 10, 15, 20 and 25 pound pairs.

5 lb weight

5 LB

15 lb weight

15 LB

30 lb weight

30 LB

50 lb weight

50 LB

weights dumbbells weight set weights
CAP Cast Iron Hex Dumbbells, Gray CAP Cast Iron Hex Dumbbells, Black CAP Barbell Hex Dumbbell Set with Rack, 150 lb, Black CAP Barbell Urethane Coated Hex Dumbbell
Customer Reviews
4.6 out of 5 stars
2,309
4.5 out of 5 stars
3,896
3.5 out of 5 stars
51
4.7 out of 5 stars
2,194
Finish Gray Baked Enamel Black Baked Enamel Black Baked Enamel Polyurethane
Available Sizes 3, 5, 8, 10, 12, 15 - 120 lb in 5 lb increments; Pairs available in 5, 10, 15, 20, and 25 lbs. 3, 5, 8, 10, 12, 15 - 120 lb in 5 lb increments; Pairs available in 5, 10, 15, 20, and 25 lbs. 5, 10, 15, 20 and 25 lb pairs and 20-inch 2 tier rack 5 - 50 lb in 5 lb increments.
Construction Cast Iron Cast Iron Cast Iron Dumbbells; Steel Rack Chrome Handle

Product information

Technical Details

Additional Information

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CAP

CAP Barbell Black Cast Iron Hex Dumbbell | 5-120 LBs | Single or Pair


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
3,896 global ratings

Customers say

Customers like the value, appearance and ease of use of the dumbbell. They mention that it works well, is cheap and that it looks good. They also appreciate the weight. However, some customers have concerns about the durability and material of the product. Opinions are mixed on quality and grip.

AI-generated from the text of customer reviews

147 customers mention132 positive15 negative

Customers like the value of the dumbbell. They say it's a great product for the price. Some customers also mention that the quality is okay for the money paid.

"...The good price is just icing on the cake." Read more

"Quality weights and great price highly recommend" Read more

"...I will list the pros and cons :Pros:1. Cheap. You will not find decent dumbbells for this price anywhere, besides maybe Craigslist...." Read more

"...Great for the price. Paint feels a bit rubbery but its either to soften putting them down or will cure with some more time...." Read more

108 customers mention108 positive0 negative

Customers are satisfied with the appearance of the dumbbells. They mention that it looks good, has a nice finish, and is tough enough to hold up to heavy use. Some customers also mention that the welds look good. Overall, customers are happy with the quality and appearance of these dumbbell sets.

"These are well made and great. Don't buy gym memberships make your own home gym and save on the bs the drive there and your sanity." Read more

"...One corner looked ground down. The welds actually looked good on this one but there was too much physical damage from shipping...." Read more

"...dislike - the handles are a bit thin for me, otherwise... solid, good. One warning, dont drop on toes, it will leave a mark))" Read more

"Basic dumbbell, seems to be well made, good price" Read more

106 customers mention102 positive4 negative

Customers find the dumbbells easy to use. They say it works well for lifts requiring lighter weights. Some mention that the product is great overall, picks up and puts down easily, and is an excellent choice for daily use. Overall, customers are satisfied with their purchase and recommend it to others.

"...For me, 20 lbs is the perfect size for weight x reps, ideal for ALL of the routines that my wife and I do...." Read more

"...sending them off the line but they still are very solid and not complaining one bit. They feel heavy and sturdy and exactly what I was hoping for...." Read more

"...are like my other dumbbells I previously had and are a great addition to equipment. I would buy these again or if I need to add another pair." Read more

"These are great dumbells, but they need to do a better job filing out the burs...." Read more

102 customers mention73 positive29 negative

Customers like the weight of the dumbbells. For example, they say it's fine, heavy, and sturdy. Some mention the finish on the dumbells is pretty poor. Overall, most are satisfied with the weights.

"...Doesn't roll. Perfect weight." Read more

"...The weight seems fine but the finish on the dumbbells is pretty poor...." Read more

"...Only complaint is delivery. They threw the box and weight came out, but was still intact." Read more

"The weights are great. I was worried I might not receive them as it took several days longer to receive I was originally told." Read more

313 customers mention193 positive120 negative

Customers are mixed about the quality of the dumbbell. Some mention it's a solid construction, while others say the plastic was torn and destroyed. The box was completely destroyed when they got it, and the dumbell itself was damaged.

"I like the hex shape for sturdiness/non-rolling. I use it for push-ups on occasion...." Read more

"...The plastic was torn and destroyed, so I’m guessing these have been sitting around for a long time...." Read more

"Quality weights and great price highly recommend" Read more

"These are well made and great. Don't buy gym memberships make your own home gym and save on the bs the drive there and your sanity." Read more

101 customers mention64 positive37 negative

Customers are mixed about the grip of the dumbbell. Some mention that it grips in their hands better, is textured nicely to resist slipping when hands become sweaty, and is way better smaller than the colored ones they tried. However, others say that the knurling on the grip is basically non-existent, poorly painted, and did not have the textured grip. They also say the grips are never consistent, some times slick, sometimes gnarled, and sometimes in.

"...don't interfere and the diameter of the handle small enough it's easy to grip. Doesn't roll. Perfect weight." Read more

"Bar handle was bent. Still usable but does hurt hand at times…" Read more

"...pound dumbbells and received everything in great condition with very nice grips...." Read more

"8 pounds and is iron easy grip." Read more

86 customers mention21 positive65 negative

Customers are dissatisfied with the durability of the dumbbells. They mention that the paint has chipped in many places, and the coating is flaking off. Some customers also report that the dumb bells have scuff marks and noticeable scratches.

"...The finish isn’t the best, they have some chips and damage to the finish.I didn’t love the packaging...." Read more

"...It's held up well, but I am starting to see some small chips, leading me to think that CAP's quality control, post pandemic, has slipped a little bit..." Read more

"...The dumbbell looks like it was dragged across concrete. Paint was chipped and peeling off. One corner looked ground down...." Read more

"...After rubbing it down a bit to get the pain flecks, it doesn't shed very often either.It works. I use it...." Read more

35 customers mention0 positive35 negative

Customers are dissatisfied with the material of the dumbbells. They mention that there are sharp metal shards all over the handle and a small piece of metal protruding from it. The coating on the handles has sharp, uneven edges and flecks. The paint around the cast iron seems a little poorly crafted.

"The hex is not solid metal...." Read more

"...What I did not expect was the pain flecks everywhere and the metal/paint burrs. Luckily I had a steel file which I used to smooth out the burrs...." Read more

"...The paint around the cast iron seems a little poorly crafted as it looks like there's a small hole and dripped a bit before drying and sending them..." Read more

"...There were so many sharp metal shards all over the handle, and very dangerous. Had to file them down myself." Read more

Dumbbells fine, packaging not the best
5 Stars
Dumbbells fine, packaging not the best
So the 50 pound dumbbells I got are great (thankfully), no loose heads or issues overall. The finish isn’t the best, they have some chips and damage to the finish.I didn’t love the packaging. They were in two cardboard boxes (for each dumbbell, they were delivered separately of course), both of which were destroyed, filthy, and wet since it’s been snowing here. One box was entirely open on one side, however given the weight of these I’m not surprised and I honestly feel bad for the delivery driver who had to deliver two 50 pound boxes to my door. So, thanks to him.But either way, the packaging really wasn’t good enough for 50 pound dumbbells. They had a plastic bag wrapped around them inside as well, which seemed to be extremely old and dirty. The plastic was torn and destroyed, so I’m guessing these have been sitting around for a long time.They were dirty as well, but nothing a little alcohol can’t clean. I cleaned the floor and vacuumed after unpacking them, which took a few minutes.I held off on ordering dumbbells this heavy online, but went for it this time (I got 40s in the past which turned out great, but 50s seemed like I was pushing it for a delivery driver). It turned out fine in my case, they are not damaged in any meaningful way (again the finish isn’t perfect but I don’t care at all, they’re just dumbbells). Maybe I got lucky but I’m very happy in the end, after the slog up the stairs and the cleaning. Can’t really ask for more when buying 100 pounds of stuff online.
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Top reviews from the United States

Reviewed in the United States on January 21, 2024
Color: Black, SingleStyle Name: 50 LBVerified Purchase
Customer image
5.0 out of 5 stars Dumbbells fine, packaging not the best
Reviewed in the United States on January 21, 2024
So the 50 pound dumbbells I got are great (thankfully), no loose heads or issues overall. The finish isn’t the best, they have some chips and damage to the finish.

I didn’t love the packaging. They were in two cardboard boxes (for each dumbbell, they were delivered separately of course), both of which were destroyed, filthy, and wet since it’s been snowing here. One box was entirely open on one side, however given the weight of these I’m not surprised and I honestly feel bad for the delivery driver who had to deliver two 50 pound boxes to my door. So, thanks to him.

But either way, the packaging really wasn’t good enough for 50 pound dumbbells. They had a plastic bag wrapped around them inside as well, which seemed to be extremely old and dirty. The plastic was torn and destroyed, so I’m guessing these have been sitting around for a long time.

They were dirty as well, but nothing a little alcohol can’t clean. I cleaned the floor and vacuumed after unpacking them, which took a few minutes.

I held off on ordering dumbbells this heavy online, but went for it this time (I got 40s in the past which turned out great, but 50s seemed like I was pushing it for a delivery driver). It turned out fine in my case, they are not damaged in any meaningful way (again the finish isn’t perfect but I don’t care at all, they’re just dumbbells). Maybe I got lucky but I’m very happy in the end, after the slog up the stairs and the cleaning. Can’t really ask for more when buying 100 pounds of stuff online.
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Reviewed in the United States on January 17, 2024
Color: Black, PairStyle Name: 20 LBVerified Purchase
2 people found this helpful
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Reviewed in the United States on March 6, 2024
Color: Black, SingleStyle Name: 30 LBVerified Purchase
Reviewed in the United States on December 11, 2023
Color: Black, SingleStyle Name: 80 LBVerified Purchase
2 people found this helpful
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Reviewed in the United States on February 8, 2024
Color: Black, SingleStyle Name: 25 LBVerified Purchase
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4.0 out of 5 stars Great dumbbell, but not as good as they used to be
Reviewed in the United States on February 8, 2024
I actually bought this to replace a dumbbell I purchased from Amazon during the pandemic. The one I replaced was not made by CAP, and was pretty poor quality (chipping paint, shoddy casting and assembly, etc.). I also have an older CAP dumbbell, just like the one I'm reviewing here, and the quality is excellent. This new CAP dumbbell looked nearly perfect when I received it but, surprisingly, there were a couple of dents. It's held up well, but I am starting to see some small chips, leading me to think that CAP's quality control, post pandemic, has slipped a little bit. I still think CAP is the standard for this type of dumbbell, and I'd probably buy another one, but it's not quite as nice as the one I bought 5 or 6 years ago.
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Reviewed in the United States on March 8, 2024
Color: Black, SingleStyle Name: 55 LBVerified Purchase
Reviewed in the United States on January 29, 2024
Color: Black, SingleStyle Name: 45 LBVerified Purchase
One person found this helpful
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Reviewed in the United States on April 15, 2023
Color: Black, SingleStyle Name: 65 LBVerified Purchase
13 people found this helpful
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Top reviews from other countries

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Ana Gabriela Amezaga
5.0 out of 5 stars Efficient
Reviewed in Canada on November 30, 2020
Color: Black, PairStyle Name: 20 LBVerified Purchase
Zuki.KK.
5.0 out of 5 stars Well built.
Reviewed in Canada on December 24, 2023
Color: Black, PairStyle Name: 25 LBVerified Purchase
Adán Sánchez Arredondo
5.0 out of 5 stars Mancuerna 15 lbs.
Reviewed in Mexico on March 1, 2018
Color: Black, SingleStyle Name: 15 LBVerified Purchase
Mr Fiddler
5.0 out of 5 stars Five Stars
Reviewed in Canada on October 17, 2016
Color: Black, SingleStyle Name: 25 LBVerified Purchase
9 people found this helpful
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Joyce Macayana
5.0 out of 5 stars It was okay.
Reviewed in Canada on November 4, 2020
Color: Black, SingleStyle Name: 30 LBVerified Purchase