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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 3,968 ratings
$20.45 with 5 percent savings
Typical price: $21.44

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Black, Pair

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Purchase options and add-ons

Brand Cap Barbell
Color Black, Pair
Item Weight 10 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 15-120 pound) 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 isolations, full body, functional and HIIT workouts.
  • CHOICES – These dumbbell pairs from CAP are available in pairs of 5, 8, 10, 12, 15, 20 and 25 pounds.
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Frequently bought together

CAP Barbell Black Cast Iron Hex Dumbbell | 5-120 LBs | Single or Pair
$20.45
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Marcy Cast Iron Hex Dumbbells Collection - Available size from 3-lb to 100-lb, SOLD INDIVIDUALLY
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From the manufacturer

Work Both Arms with a Pair

CAP's Black Cast Iron Hex Dumbbells can be used for both the upper body and lower body to strengthen all muscle groups. The hexagon shape of these dumbbells are designed to prevent the dumbbells from rolling, as well as provide easier storage. Each dumbbell is made of solid cast iron and stylishly coated with black enamel with silver weight markers.

Available in 5, 10, 15, 20, and 25 pound pairs.

CAP Black Hex Cast Iron Dumbbell, Single CAP Black Hex Cast Iron Dumbbells, Pair CAP Black Hex Cast Iron Dumbbells, 150-Pound Set with Rack
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Customer Reviews
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3.5 out of 5 stars
51
Cast Iron Construction ✓ ✓ ✓
Color Black Hammertone Black Hammertone Black Hammertone
Available sizes 5-120 Pounds 5, 10, 15, 20 & 25 Pound Pairs 150 Pound Set
Sold as Single ✓
Sold as Pair ✓
Sold as Set ✓

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

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

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Product guides and documents

Warranty (PDF)

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Customer reviews

4.5 out of 5 stars
4.5 out of 5
3,968 global ratings

Customers say

Customers like the value, ease of use, and weight of the dumbbells. They say it's a great product for the price. Customers are also satisfied with appearance, and the weight. However, some customers have reported durability issues with the coating chipping at multiple locations. They also say the material has sharp metal shards and irregular jagged pieces. Opinions are mixed on quality and grip.

AI-generated from the text of customer reviews

150 customers mention135 positive15 negative

Customers appreciate the value of the dumbbell. They mention it's a great product at a cheap price.

"great quality for the price" Read more

"Great set for low price!!" Read more

"Great for the price and use them almost every day for my workout routine." Read more

"Quality weights and great price highly recommend" Read more

110 customers mention110 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, most are happy with the quality and appearance of these dumbbell sets.

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

"I got it because I needed only one to make a pair. Looks great and doesn't hurt to use it." 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

"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

106 customers mention102 positive4 negative

Customers find the dumbbells easy to use. They say it works well for lifts requiring lighter weights, and is an excellent choice for daily use. Some customers also mention that the product is solid and not complaining one bit.

"...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

105 customers mention74 positive31 negative

Customers like the weight of the dumbbells. They say the weight seems fine, but the finish on the dumbells is pretty poor. Some say that the weights feel heavy and sturdy, and are the exact same weight each. Some customers also mention that the dumbles are quite balanced and great for beginners. Overall, most are happy with the purchase and recommend it to others.

"No issue yet. Feels heavier than the 40 at the gym." 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

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

313 customers mention193 positive120 negative

Customers have mixed opinions about the quality of the dumbbell. Some say that it's well-made and holds up well, while others say that the plastic was torn and destroyed. The box was completely destroyed when they received it, and the dumbell was cracked in both ends.

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

"High quality! I thought it was a little pricey initially, but once it arrived I felt it was worth it" Read more

"...like 45lbs I don’t have a scale to confirm but either way I’m ok with the heaviness. There’s no flaking or big/deep scratches I’m concerned with...." 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, and resists slipping when hands become sweaty. However, others say that the knurling on the grip is basically non-existent, poorly painted, and did not have the textured grip.

"...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

76 customers mention21 positive55 negative

Customers are dissatisfied with the durability of the dumbbells. They mention that the coating is chipped and peeling off in multiple places. Some customers also report that the finish chips off and chunks of enamel were knocked off in transit.

"...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

"...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

"...The dumbbell looks like it was dragged across concrete. Paint was chipped and peeling off. One corner looked ground down...." 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, irregular jagged metal pieces on the two ends of the weights, and metal burrs on the handle. 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

Frank
5.0 out of 5 stars Dumbbells fine, packaging not the best
Reviewed in the United States on January 21, 2024
Color: Black, SingleStyle Name: 50 LBVerified Purchase
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.
Customer image
Frank
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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Morgan smith
5.0 out of 5 stars A nice add on to a home gym!
Reviewed in the United States on May 1, 2024
Color: Black, SingleStyle Name: 15 LBVerified Purchase
Bought this to be able to add some weights to our home gym. It came as it appeared in the photo. Easy to clean after a work out!
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Morgan smith
5.0 out of 5 stars A nice add on to a home gym!
Reviewed in the United States on May 1, 2024
Bought this to be able to add some weights to our home gym. It came as it appeared in the photo. Easy to clean after a work out!
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Cheesemonger III
5.0 out of 5 stars Not a smart bell
Reviewed in the United States on April 14, 2024
Color: Black, SingleStyle Name: 30 LBVerified Purchase
This is not a smart bell. It actually requires you to use your brain and your muscles to move it around and achieve the physique of your choosing.

Each one may cost a month's gym membership, but I guarantee this thing is going to outlive me.
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Debbie
5.0 out of 5 stars Good stuff
Reviewed in the United States on May 6, 2024
Color: Black, SingleStyle Name: 15 LBVerified Purchase
Good old fashioned weights
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Santacruiser
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
Color: Black, SingleStyle Name: 25 LBVerified Purchase
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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Santacruiser
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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James
5.0 out of 5 stars dumbbell
Reviewed in the United States on April 21, 2024
Color: Black, SingleStyle Name: 60 LBVerified Purchase
great quality for the price
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Amazon Customer
5.0 out of 5 stars So far so good
Reviewed in the United States on April 11, 2024
Color: Black, SingleStyle Name: 40 LBVerified Purchase
No issue yet. Feels heavier than the 40 at the gym.
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Elliot
1.0 out of 5 stars Don't buy the heavy ones. Absolute nightmare and shipping is pathetically inadequate.
Reviewed in the United States on April 15, 2023
Color: Black, SingleStyle Name: 65 LBVerified Purchase
I wish I could give 0 stars. 0 starts to cap for the quality of these dumbbells. 0 stars to amazon for the packaging. 0 stars to UPS for delivery.

I bought a pair of the 65 lbs cast iron dumbbells. These were shipped and sold by Amazon.

This was not even remotely worth the small savings over the rubber headed dumbbells I have bought many times through amazon.

To begin, they ship these in a cardboard box and that is pretty much it. Only one dumbbell arrived on time. The box was absolutely shredded from trying to contain 65 lbs of iron. In fact, the dumbbell was falling out of the box when it arrived. The UPS man also just dumped this at the top of the driveway. This dumbbell has also defective. One of the welds was poorly done and visibly defective. I could feel the dumbbell head wobbling when pressed over head. That's scary for a 65 lbs dumbbell. The handle itself also was poorly finished.

The second dumbbell arrived a week late. Its box was also destroyed and you could tell UPS had to add extra packing tape just to hold the box together. This was also dumped in the grass at the top of my driveway. It was even worse than the first dumbbell. The dumbbell head was extremely loose from the handle. I don't know if this is a defect or damaged in shipping. I guess it is probably both.

I also received a replacement from Amazon for dumbbell #1. This time it didn't even arrive with a a box. There was literally just a shipping label zip tied to the dumbbell. The sad little cardboard box they ship these big dumbbells in must have been obliterated in transit. The dumbbell looks like it was dragged across concrete. Paint was chipped and peeling off. One corner looked ground down. The welds actually looked good on this one but there was too much physical damage from shipping.

I am returning them all.

Maybe these cast iron dumbbells would be a good option for lighter weights or if Amazon even remotely cared about packaging. I would never again consider trying to buy the heavier weights of these cast iron dumbbells. I didn't even get one functional/undamaged dumbbell from the three they sent. I recommend you the rubber coated dumbbells with the chrome handles. I have never had an issue with those.
14 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
I think it was too expensive but blame it to COVID not the company. Everyone wants dumbbells right now. I was looking for these for really longtime.
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Zuki.KK.
5.0 out of 5 stars Well built.
Reviewed in Canada on December 24, 2023
Color: Black, PairStyle Name: 25 LBVerified Purchase
Nothing, its good
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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
Llego antes de lo estipulado (típico en los envíos de Amazon)
Buen producto, un poco tosco en su acabado más no me quejo por ello (no es para concurso) cumple cabalmente con la función para la cual fue creada.
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Mr Fiddler
5.0 out of 5 stars Five Stars
Reviewed in Canada on October 17, 2016
Color: Black, SingleStyle Name: 25 LBVerified Purchase
Perfect! and the price was right compared to other dumbbells here with the same weight of 25lbs.

Update... I noticed they upped the prices considerably in caparison too what they were when I fist bought these dumbbells. I bought these dumbbells from 5lbs all the way to 30lbs, The 40lbs was 60 dollars and now it's at 74 dollars saying you save almost 15 dollars, what kind of bait and switch is this? I was going too buy the 35 and 40lbs but not anymore, so disappointed!
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
It was okay. Delivered on time.
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