Sold in pairs Starts at 5-50 lbs. and expands to 70 and 90 lbs. per hand with 2 add-on kits Replaces 28 pairs of dumbbells or 2565 lbs of free weights Increments achieved: 2.5 (adder weight), 5, 7.5, 10, 15, 17.5, 20, 25, 27.5, 30, 35, 37.5, 40, 45, 47.5, 50, 55, 57.5, 60, 65, 67.5, 70, 75, 77.5, 80, 85, 87.5 and 90 lbs per hand Dimensions 12.5″L x 7″W x 7.25″H
