The U 90 Stage II Kit allows the user to expand the U 90 Stage I Set to 90 lbs per hand. It gives the user an additional 12 pairs of dumbbells. Additional increments achieved are: 55, 57.5, 60, 65, 67.5, 70, 75, 77.5, 80, 85, 87.5 and 90 lbs per hand.














