URETHANE SERIES SET
The U-90 Stage ll Sets takes you up to 90lbs per hand when added to the U-90 Stage l. Upgrade one or both stages at a time 50-70lbs and 70-90lbs.
The Flex Series Urethane Sets from PowerBlock are the fourth generation of PowerBlocks. The Urethane coated weight plates offer the ultimate in smooth, quiet performance in addition to Flex technology (patent pending) in both the weight plates and the selector pins making for the most durable PowerBlock ever. The steel side colored rails are powder coat painted and are on both sides of each block. Urethane Series products carry a lifetime home warranty.