Adjustable Octagon Dumbbell Set 4-in-1
- Item Weight: 20 pounds
- Number Of Pieces: 2
- Material: Iron
- Handle Material: Iron
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A 20 pound octagon head dumbbell that covers a common home gym weight, though the listing leaves grip and material details unconfirmed.
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ASIN: B0BPM2W8ZKModel: Octagon dumbbell-20lbsCategory: Dumbbells
Overview
This octagon head dumbbell tops out at 20 pounds per the model name, with octagonal ends built to keep it from rolling when set down between sets.
The listing's brand and title fields are unusually generic, both centered on the word Adjustable and the 20lbs figure, so treat this as a single dumbbell rather than a branded product line. No material, coating or handle specs came through in the data, so grip texture and finish are unconfirmed.
- 20 lb weight
- Octagon head shape
- Rating 4.2
- Fitness dumbbell category
Who it's for
Suits home lifters who want a mid weight dumbbell for accessory lifts, curls or presses without committing to a full adjustable plate system. Not for lifters who need handle knurling or coating confirmed before buying, since neither is specified.
Pros and cons
- 20 pound weight fits accessory lifts
- Octagon head resists rolling
- No material or grip details listed
- No confirmation if sold as single or pair
Performance notes
The octagon head shape is a common way to stop a dumbbell rolling off a rack or bench, which matters more with heavier single dumbbells like this 20 pound version. Weight, material and coating beyond the 20lbs figure were not included in this listing.
Specifications
| Brand | Adjustable |
|---|---|
| Model | Octagon dumbbell-20lbs |
| Dimensions & fit | |
| Item Weight | 20 poundslower than 56% of 78 dumbbells |
| Handle Diameter | 1 inchlower than 67% of 58 dumbbells |
| Grip Size | 1 Inch |
| Item Dimensions L X W | 15 × 7 inches |
| Construction & materials | |
| Material | Iron |
| Handle Material | Iron |
| Color | 20LB Total (10LB Each) |
| Included components | |
| Number Of Pieces | 2 |
| Unit Count | 2 |
| Other details | |
| Target Use Body Part | Body |
| Number Of Items | 2 |
| Style | Adjustable |
| Part Number | Octagon dumbbell-20lbs |
| Other Special Features Of The Product | Adjustable Weight |
| Set Name | Adjustable Weights Dumbbells Set |
Closest rivals on specs
AboveGenius Olympic Dumbbell Handles 16 in- Item Weight 20 vs 8.3 pounds (+141%)
Frequently asked questions
How much does this dumbbell weigh?
20 pounds, per the model name.
Why is it shaped like an octagon?
The octagonal head is designed to keep the dumbbell from rolling when set down.