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 base Pro 100 EXP from 60 to 80 pounds. You will need the original Pro 100 EXP set and Stage 2 Expansion Kit before adding Stage 3 to your adjustable dumbbell.
 
Pro 100 Expansions
Expand your PRO 100 EXP adjustable dumbbells to 100 pounds with compatible expansion kits. Start with a Stage 2 Kit, then add Stages 3 & 4 to reach 100 pounds.
All Expansions are sold as pairs to add 20 pounds to each dumbbell.