Ironmaster
Ironmaster Quick-Lock 45 lb Set
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.
Spec-based page. We did not test this product. Source: manufacturer page.
Who it's for
Lifters who want Ironmaster's published 45 lb20.4 kg starter set with official upgrade kits to 75, 120, or 165 lb74.8 kg.
Who should skip
Anyone who already needs more than 45 lb20.4 kg and would rather start with the 75 lb34 kg set.
| HeightAssembled height versus your ceiling. | 6.7 in17 cm |
|---|---|
| Width | 6.7 in17 cm |
| Length | 11.5 in29.2 cm |
| Unit weight | 45 lb20.4 kg |
|---|---|
| Min weight | 5 lb2.3 kg |
| Max weight | 45 lb20.4 kg |
| Increment | 2.5 lb1.1 kg |
| Adjustment | quick-lock screw |
|---|---|
| Warranty | Lifetime warranty |
Source: manufacturer spec sheet, checked 2026-10-14. How we measure
Ironmaster lists 5–45 lb20.4 kg per dumbbell in 2.5 lb1.1 kg increments.
The set includes two handles, four locking screws, twelve 5 lb2.3 kg plates, and four 2.5 lb1.1 kg plates; each handle is 5 lb2.3 kg and each locking screw is 2.5 lb1.1 kg for a 10 lb4.5 kg base per dumbbell.
Dimensions are 6.7 in17 cm square × 11.5 in29.2 cm long at 45 lb20.4 kg (9 in22.9 cm long at 20 lb9.1 kg), with 1.25 in3.2 cm grip diameter, 6.5 in16.5 cm inside grip width, and a lifetime warranty.
Nearby specs
| Spec | Ironmaster Quick-Lock 45 lb Set | Bowflex SelectTech 552 Check price on Amazonon Amazon on Amazon. As an Amazon Associate I earn from qualifying purchases. | Bowflex SelectTech 1090 Check price on Amazonon Amazon on Amazon. As an Amazon Associate I earn from qualifying purchases. |
|---|---|---|---|
| Height | ✓ 6.7 in17 cm | 9 in22.9 cm | 10 in25.4 cm |
| Width | ✓ 6.7 in17 cm | 8.3 in21.1 cm | 9.5 in24.1 cm |
| Length | ✓ 11.5 in29.2 cm | 16.9 in42.9 cm | 17.5 in44.5 cm |
| Unit weight | 45 lb20.4 kg | 54.6 lb24.8 kg | ✓ 92.3 lb41.9 kg |
| Min weight | 5 lb2.3 kg | 5 lb2.3 kg | ✓ 10 lb4.5 kg |
| Max weight | 45 lb20.4 kg | 52.5 lb23.8 kg | ✓ 90 lb40.8 kg |
| Increment | ✓ 2.5 lb1.1 kg | ✓ 2.5 lb1.1 kg | 5 lb2.3 kg |
| Adjustment | quick-lock screw | dial | dial |
| Warranty | Lifetime warranty | Parts 2 Years | Parts 3 Years |