Amazon Basics Neoprene Dumbbell Hand Weights for Exercise and Muscle Toning

Amazon Basics Neoprene Dumbbell Hand Weights for Exercise and Muscle Toning

Q: Are the weights themselves solid steel under the neoprene?

The 'brutto'- weight of one 1Lb-dumbbell is Wb = 460.9g. To know the volume I put it in the Pyrex measuring cup with 800mL of water - the water level becomes 890mL (this measuring is not exact but I've what I have) - so V = 90mL One mL of water is 1cm3. I prefer cgs-system (cm - g - sec), not SI. To guess the metal I've to take away neoprene volume Vm = V - Vn. In assessment of geometry I replaced two hexagons with their corresponding circles and all round squares with straight angled ones. I guess neoprene is h=2mm thick including gaps. Vn= ~ h x 4 x (3.14 x D1^2/4) - 2 x (3.14 x Do^2/4) + 2 x 6 x Yo x Zo + 3.14 x Do x Z = 0.2cm x 3.14 x 4.3cm^2 - 3.14 x 2.4cm^2/2 + 2 x 6 x 2.1cm x 1.6cm + 3.14 x 2.4cm x 8.6cm = 0.2cm x 58.09cm2 - 9.05cm2 + 40.32cm2 + 64.84cm2 = 30.84cm3 . The weight of the metal is the 'netto'- weight Wo = 454g. The density is: d = Wo / Vm = 454g / (90cm3 - 30.8cm3) = ~7.7g/cm3 - The Cast iron density is: d(Fe) = 7.87g/cm3. I could congratulate myself with a pretty good guess that the metal inside this 1Lb-dumbbell is a kind of cast iron. Though stainless steel is in the same range but I think they took the cheapest variant. So probably if neoprene is not hermetic enough then the iron inside this dumbbell could rust. I wiped it dry after I submerged it in a water. I don't think that my sweat would penetrate and humidify that iron to rust unless it's already did rust which I doubt. At least I know for sure that it's not lead (Pb) inside. It's not a copper (Cu) alloy which is heavier and much less cheap. Thanks, China!

Q: How can I order the stand alone?

Don’t order the stand. It’s the most terrible design for a stand ever created.

Q: Is the grip on these easy for small hands?

The grip IS NOT designed for small hands. Purchased the 15lb s and had to return bc they aren’t easy to hold. My hand barely closes around them. I don’t want to crush my chest bc I dropped the weight doing presses.

Product ID: 52901320

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Details

Brand
Amazon Basics
Color
Navy Blue
Item Weight
9.7 Pounds
Material
Cast Iron
Special Feature
No-Roll Head

🛑Hexagon no-roll design

🤲Nonslip neoprene grip

🏋️‍♂️10 lb pair for targeted strength

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Amazon Basics Neoprene Dumbbell Hand Weights for Exercise and Muscle Toning

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Description

💪 Elevate your workout game with dumbbells that mean business!

SCALABLE FITNESS - Available in multiple sizes to customize and expand your home gym as your strength evolves.
COMFORT MEETS CONTROL - Neoprene coating ensures a secure, nonslip grip even during the sweatiest sessions.
COLOR CODED CONVENIENCE - Quickly identify weights with printed numbers and distinct navy blue hue for seamless workout flow.
STAY PUT HEXAGON DESIGN - Hexagonal ends prevent rolling, keeping your workout space safe and organized.
PRECISION WEIGHTING FOR POWER - Each 10 lb dumbbell is perfectly balanced to maximize muscle toning and strength gains.

Amazon Basics Neoprene Dumbbell Hand Weights are a durable, 10-pound pair designed for effective muscle toning and strength training. Featuring a no-roll hexagonal shape, a comfortable neoprene grip, and clear weight markings, these navy blue dumbbells offer a secure, organized, and scalable solution for fitness enthusiasts aiming to build strength at home or in the gym.

Specifications

Brand	Amazon Basics
Color	Navy Blue
Item Weight	9.7 Pounds
Material	Cast Iron, Polyvinyl Chloride (PVC)
Special Feature	No-Roll Head
Product Dimensions	8.6"L x 4.02"W
Style	10 Pound, Pair
Handle Diameter	1.25
Handle Material	Cast Iron, PVC
Number of Pieces	2
UPC	843639101942 841710155839 840095875585
Global Trade Identification Number	00841710155839
Manufacturer	Amazon
Item Package Dimensions L x W x H	12.5 x 10 x 8.5 inches
Package Weight	9.48 Kilograms
Item Dimensions LxWxH	8.6 x 4.02 x 3.6 inches
Brand Name	Amazon Basics
Suggested Users	women/men
Number of Items	1
Part Number	ND-10LB
Size	10 pound

Have a Question? See What Others Asked

Are the weights themselves solid steel under the neoprene?

How can I order the stand alone?

Is the grip on these easy for small hands?

Where are these made?

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