
JFIT Neoprene D Grip Dumbbell
- Item Weight: 3 pounds
- Number Of Pieces: 1
- Material: Cast Iron, Neoprene
- Handle Material: Neoprene
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
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ASIN: B001TN1632Model: 20-5237Category: Dumbbells
Overview
This JFIT listing (model 20-5237) is a single 3 pound dumbbell made from cast iron with a neoprene coating, sold as one unit rather than a matched pair or full set.
The single-unit count and the color field reading as 3 Pound both point to this being one dumbbell rather than a matched pair, which matters if the plan is to train with two hands. Neoprene coating over a cast iron core is a common combination meant to protect floors and improve grip over bare metal.
- 3 lb single dumbbell
- Cast iron and neoprene
- 1 piece
- JFIT brand
Who it's for
Useful for light resistance work, rehab exercises or as an add-on to an existing set, given it is one 3 pound unit. Not the choice for anyone needing a matched pair straight out of the box.
Pros and cons
- Cast iron core for weight stability
- Single 3 pound unit, not a pair
Performance notes
Cast iron gives the dumbbell its weight while the neoprene shell reduces noise and floor damage and adds a softer grip than bare metal, at the cost of being less durable than solid rubber-coated weights under heavy long-term use.
Specifications
| Brand | JFIT |
|---|---|
| Model | 20-5237 |
| Dimensions & fit | |
| Item Weight | 3 poundslower than 87% of 78 dumbbells |
| Handle Diameter | 1 inchlower than 67% of 58 dumbbells |
| Item Dimensions L X W | 5.2 × 1.3 inches |
| Construction & materials | |
| Material | Cast Iron, Neoprene |
| Handle Material | Neoprene |
| Color | 3 Pound |
| Included components | |
| Number Of Pieces | 1 |
| Unit Count | 1 |
| Other details | |
| Target Use Body Part | Hand |
| Number Of Items | 1 |
| Style | 3 Pound |
| Part Number | 20-5237 |
| Other Special Features Of The Product | Compact |
| Set Name | 3 Lb Dumbbell |
Closest rivals on specs
Marcy Colored Neoprene Dumbbell- Item Weight 3 vs 2 pounds (+50%)
Frequently asked questions
Does this come as a pair?
No, the listing specifies 1 piece at 3 pounds.
What is the dumbbell made of?
A cast iron core with a neoprene coating.
What weight is this dumbbell?
3 pounds.

