The Sport 5.0 equals/replaces 10 pairs of dumbbells or 550 lbs of free weights. The weight range for the 5.0 is 5-50 lbs per hand in 5 lb increments. Weight increments achieved are; 5, 10, 15, 20, 25, 30, 35, 40, 45 and 50 lbs per hand. The 5.0 can be further expanded to 65 lbs per hand with the optional Sport 5.0 Set 20 lb cores. Sport 5.0 value at $299/set- cost per lb on the Sport 5.0 (replaces 550 lbs) is 54¢. Compare to hex heads at 99¢ lb costing $544.