PowerBlock Pro 100 EXP Stage 4 Kit

Pro 100 EXP Stage 4 Kit (up to 100 lbs.)For use with the Pro 100 EXP adjustable dumbbell. Sold in pairs, this expansion kit contains two 10-pound additional weights per dumbbell to take your Pro 100 EXP up to 100 pounds. You will need the original Pro 100 EXP set, plus the Stage 2 and Stage 3 Expansion Kit before adding Stage 4 to your adjustable dumbbell.