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 balanced strength

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Amazon Basics Neoprene Dumbbell Hand Weights for Exercise and Muscle Toning

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Description

💪 Elevate your routine with dumbbells that work as hard as you do!

BUILT TO LAST - Durable cast iron core wrapped in resilient neoprene for long-term use.
STAY PUT STABILITY - Hexagon ends prevent rolling, keeping your workout space tidy and safe.
EFFORTLESS WEIGHT ID - Color-coded and printed weight numbers for quick, hassle-free selection.
COMFORT MEETS CONTROL - Nonslip neoprene coating ensures a secure grip even during intense sessions.
CUSTOMIZABLE WORKOUTS - Available in multiple sizes to mix, match, and scale your fitness journey.

Amazon Basics Neoprene Dumbbell Hand Weights are a durable, 10-pound pair designed for effective strength training. Featuring a no-roll hexagon shape, nonslip neoprene grip, and color-coded weight markings, these dumbbells offer convenience, safety, and comfort for all fitness levels.

Specifications

Brand	Amazon Basics
Color	Navy Blue
Item Weight	9.7 Pounds
Material	Cast Iron, Polyvinyl Chloride (PVC)
Special Feature	No-Roll Head
Use for	Hand
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	9 x 8 x 5 inches
Package Weight	9.37 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