Powerblock PRO 100 Exp Stage 4 Kit, 80-100 lbs ADD ON ADJUSTABLE DUMBBELLThe PowerBlock Pro 100 EXP, Stage 4 expansion kit, (80 100 lbs) The PowerBlock Pro 100 EXP Stage 4 Kit (80 100) is the epitome of strength training innovation. This advanced weight set takes your workouts to an entirely new level by expanding the weight range from 80 to 100 pounds. Designed for serious lifters who refuse to settle for anything less than extraordinary, this kit builds upon the Pro 100 Stage 3 kit, providing you with unparalleled