The Ironmaster pair starts at roughly 34 kg per hand. This PowerBlock package stops at 18.1 kg until you add stages.
Buy Ironmaster if you need the supplied 75 lb capacity and train in straight sets with time to change plates. Buy PowerBlock for frequent load changes, but price the expansion stage that reaches your actual working weights. The Stage 1 price cannot stand in for a 100 lb pair.
Ironmaster includes the heavier working range here, with an open grip and a manual plate change.
Photo: © Ironmaster.
PowerBlock puts selector convenience first; its final capacity depends on the stages in your order.
Photo: © PowerBlock.
PowerBlock’s “100” describes the expandable system. To meet or exceed the Ironmaster pair’s 75 lb ceiling, the order needs to reach PowerBlock’s 80 lb stage. That is the useful price comparison for a lifter already using heavy dumbbells.
| Package detail | Ironmaster Quick-Lock | PowerBlock Pro100EXP |
|---|---|---|
| Included maximum per hand | 75 lb / about 34 kg | 40 lb / about 18.1 kg, Stage 1 |
| Expansion ceilings | 120 or 165 lb with separate kits | 60, 80 or 100 lb with matching stages |
| Load change | Loose plates and locking screws | Magnetic selector pin; removable micro-weights |
| Buying route shown | Sam’s Fitness in Australia; Ironmaster US | PowerBlock US |
A press, rest, reload routine gives Ironmaster’s square plates and partially turning screws a natural place in the session. Its 75 lb dumbbell is 14.5 inches long. Allow a loading surface beside the pair so plates do not end up in the bench’s path.
For circuits, shared sessions or several exercises with different loads, PowerBlock’s pin selection is the stronger design choice. Small changes still involve its removable micro-weights. Choose the handle option deliberately too: the current listing offers knurled stainless and cushioned TPR grips.
If your current adjustable pair still covers your presses and rows, neither replacement needs to be the next purchase. A missing bench or a suitable stand can change more of the session. When you do need heavier dumbbells, Sam’s Fitness lists the no-stand Ironmaster pair; its delivery or restock timing belongs in the order. The PowerBlock route linked here is US-based, so a landed quote is needed before treating it as the cheaper package.
Specifications are for the packages described in the linked profiles. How we compare equipment.
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