Published length at or under 16 in40.6 cm per hand.
Filter: lengthIn ≤ 16 when published.
Non-expandable 5–50 lb22.7 kg selector-pin pair in a 13 × 7 × 7.25 in18.4 cm frame, with 2.5 and 5 lb2.3 kg increments and a 5-year residential warranty.
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Twist-lock pair published at 5–50 lb22.7 kg each in 5 lb2.3 kg steps, 14.5 × 7.9 × 7.5 in19.1 cm at full load, 100 lb45.4 kg pair weight, with a 2-year parts warranty.
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Non-expandable 3–24 lb10.9 kg selector-pin pair in a 10 × 5.5 × 5.5 in14 cm frame, with 3 lb1.4 kg increments and a 5-year residential warranty.
Screw-lock pair published at 5–75 lb34 kg each in 2.5 lb1.1 kg increments, 6.7 in17 cm square × 14.5 in36.8 cm long at 75 lb34 kg, with a lifetime warranty and add-on kits to 120 or 165 lb74.8 kg.
Smaller Quick-Lock pair published at 5–45 lb20.4 kg each in 2.5 lb1.1 kg increments, 6.7 in17 cm square × 11.5 in29.2 cm long at 45 lb20.4 kg, lifetime warranty, same handles as the 75 lb34 kg system.
Twist-handle pair covering 5–50 lb22.7 kg per hand in 5 lb2.3 kg steps, 395 × 193 × 185 mm per unit, with the same 2-year / 4-year direct-purchase warranty as the 580.
Dial-adjust pair published at 11–88 lb39.9 kg in 7 lb3.2 kg increments across 12 levels, 15.9 × 8.7 × 9.8 in24.9 cm, with a 2-year warranty.
| Spec | PowerBlock Pro 50 Check price on Amazonon Amazon on Amazon. As an Amazon Associate I earn from qualifying purchases. | Core Home Fitness Adjustable Dumbbell Set Check price on Amazonon Amazon on Amazon. As an Amazon Associate I earn from qualifying purchases. | PowerBlock Sport 24 | Ironmaster Quick-Lock 75 lb Set |
|---|---|---|---|---|
| Height | 7.25 in18.4 cm | 7.5 in19.1 cm | ✓ 5.5 in14 cm | 6.7 in17 cm |
| Width | 7 in17.8 cm | 7.9 in20.1 cm | ✓ 5.5 in14 cm | 6.7 in17 cm |
| Length | 13 in33 cm | 14.5 in36.8 cm | ✓ 10 in25.4 cm | 14.5 in36.8 cm |
| Unit weight | Not published | ✓ 100 lb45.4 kg | Not published | 75 lb34 kg |
| Min weight | ✓ 5 lb2.3 kg | ✓ 5 lb2.3 kg | 3 lb1.4 kg | ✓ 5 lb2.3 kg |
| Max weight | 50 lb22.7 kg | 50 lb22.7 kg | 24 lb10.9 kg | ✓ 75 lb34 kg |
| Increment | ✓ 2.5 lb1.1 kg | 5 lb2.3 kg | 3 lb1.4 kg | ✓ 2.5 lb1.1 kg |
| Adjustment | magnetic selector pin | twist-lock | magnetic selector pin | quick-lock screw |
| Warranty | 5 year limited warranty – residential use only | 2-year parts | 5 year limited warranty – residential use only | Lifetime warranty |
That is shorter than the Bowflex 552’s published 16.9 in42.9 cm. Compact length helps floor-press and suitcase carry.
FitScout spec scores are our rubric, not Amazon ratings. List-price bands use manufacturer MSRP with a source and date. We do not print Amazon prices.