CAP Barbell

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

$43.36$49.98
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729+ bought in the past month

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.
$43.36
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Product details
BrandCAP Barbell
ColorBlack, Single
Item Weight30 Pounds
MaterialCast Iron
Special FeatureNo-Roll Head
Technical specifications
brandCAP Barbell
colorBlack, Single
item_weight30 Pounds
materialCast Iron
special_featureNo-Roll Head
product_dimensions12"L x 4.5"W
style30 LB
handle_diameter1.25 inches
handle_materialAlloy Steel
number_of_pieces1
upc702556103203
global_trade_identification_number00702556103203
manufacturerCap Barbell, Inc.
item_package_dimensions_l_x_w_x_h13.5 x 11.5 x 10 inches
package_weight14.31 Kilograms
item_dimensions_lxwxh12 x 4.5 x 5.2 inches
brand_nameCAP Barbell
warranty_description30 day manufacturer warranty
model_nameSDB2-030
suggested_usersunisex-adult
part_numberSDB2-030
included_componentsdumbbell
size30 lb single
sport_typeExercise & Fitness
best_sellers_rank#250,284 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #582 in Exercise & Fitness Dumbbells
date_first_availableAugust 11, 2015

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Customer reviews

4.52,176 ratings
  1. 588%
  2. 413%
  3. 30%
  4. 20%
  5. 10%

Customers say

Customers find these dumbbells to be excellent gym quality weights that work well and offer great value for money. Customers disagree on the appearance, with some saying they look like real dumbbells while others find the finish terrible.

★★★★★

Dumbbells fine, packaging not the best

FrankJanuary 21, 2024

So the 50 pound dumbbells I got are good, no loose heads or serious issues. The finish isn’t perfect, they have some chips and what not, but I expected that when having 50 pounders delivered. The knurling is fine, not very sharp but it’s good (I got 40s in the past with some wild burrs that had to be filed so you wouldn’t be cut, this set was much tamer). 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 that guy. 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. 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 held off on ordering dumbbells this heavy online for a while, but went for it here. 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, they’re just dumbbells). Maybe I got lucky but I’m happy with them. One thing I cannot comment on is their exact weight, I don’t have a scale here (I weigh myself at my shop, should probably buy a scale for home). Read more

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★★★★★

good solid product

AndrewOctober 1, 2025

This product is simple, effective, and exactly what I expected. Read more

★★★★★

Great dumbbell

John VaultFebruary 4, 2019

These work great, and were a great price for the item! The weights are quite balanced, and great for a beginner like me. I found no dents or chips in the weights, and they aren't slippery in the hands either. The tag they came with was somehow really sticky on one dumbbell, and i was worried it would leave residue, but a quick wipe with a wet paper towel got it all off. My sore arms aren't all that happy after a few weeks of working out, but I am definitely getting some definition and tone in there. Overall, very happy with my purchase, and would recommend for beginners. Read more

★★★★★

Good weights

Andrew DaughertyApril 8, 2025

Good weights Read more

★★★★☆

Great dumbbell, but not as good as they used to be

SantacruiserFebruary 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. Read more

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★★★★★

Solid feeling Product.

J. WestJune 8, 2023

Pleased with these dumbbells, the grip is smooth straight shafts with some paint edge artifacts. Size looked small but fit nicely in to my hand, fingers dont touch my palm. Finish is a bit rough in some spots and one of mine got a small ding at some point in initial shipping, was re boxed by amazon and no additional damage occurred. Great for the price. Paint feels a bit rubbery but its either to soften putting them down or will cure with some more time. Over all good value would buy again. (got them for a little over a 1/lbs) Read more

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★★★★★

It's a dumbell... 👍🏼

NoahSeptember 12, 2025

Works well... fun to throw at car. Read more

Review image 1
★★★★★

Everything was great thank you

mjmworldSeptember 25, 2025

Everything was great thank you Read more

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