Take your Pro 100 EXP Adjustable Dumbbells to the maximum 100 lbs with the Stage 4 Expansion Kit. Sold in pairs, this kit includes two 10-pound additional weights per dumbbell, bringing your adjustable dumbbells up to 100 lbs. To add Stage 4, you will need the original Pro 100 EXP set, along with the Stage 2 and Stage 3 Expansion Kits.

Key Features:

• Increases weight to 100 lbs per dumbbell with the addition of 10 lbs per side.
• Sold in pairs.
• Requires Stage 2 and Stage 3 expansion kits for full compatibility.
• Perfect for advanced strength training and progression.