The U-33 Stage II Set has a weight range of 3-33 lbs per hand and will replace 25 pairs of dumbbells or 866 lbs of free weights. Increments achieved with the U-33 Stage II Set are; 1, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32 and 33 lbs per hand. Value of the U-33 Stage II Set at $298/pair - cost per lb (replaces 864 lbs) is 40¢ per lb. Compare to Urethane coated dumbbells at $2.99 lb costing $2589.34. Dimensions are; 13.25" L x 5.5" H x 5.5" W. Ships in 4 boxes.