... . Dumbbelladjustable dumbbell specification1.) weight range:5 to 42.5lbs(4.5 to 40.8kgs) 2.) customer ... 45 pounds of weight.Weight Rangeweight range : 5 to 42.5lbs(2.25 to 45kg) ... 5, 7.5, 10, 12.5, 15 , 17.5, 20 , 22.5, 25, 27.5 , 30 , 32,5, 35, 37.5, 40, 42.5 45, 47.5 50, 52.5 ... . General Conveyance1 pc /Ctn (shipping box or original box can be selected)carton meas: 65.5 ...