PowerBlocks are the world's best dumbbells. Why? PowerBlocks are perfectly balanced. They are the heaviest, most compact, and easiest to use quick change dumbbell.
What if a dumbbell could also be a kettlebell...? That would be smart. The KettleBlock™ Handle is available as a very inexpensive option exclusive to the Urethane Series. Simply replace your Urethane dumbbell handle with The optional KettleBlock™ Handle.
Compact. Space Saving. Portable. Cost effective. Easy to use. Quick to change weight.
CONVERT YOUR POWERBLOCK DUMBBELLS TO KETTLEBELLS!