Adjustable roller and back pads provide proper positioning with the machine’s axis of rotation Angled user positioning helps with stabilization during exercise Seat pad is sized to allow full hamstrings muscle contraction Built-in storage at top of tower for phone and water *The weight of stacks includes counterweights WEIGHT STACK 90kg / 195lbs(15lbs x 12pcs) 116kg / 255lbs(20lbs x 12pcs)Optional GROSS WEIGHT WITHOUT WEIGHT STACK 167kg / 368lbs PRODUCT WEIGHT 257kg / 567lbs CARTON DIMENSION CARTON A 1650 x 745 x 180mm / 65” x 29” x 7” CARTON B 1510 x 820 x 230mm / 59” x 32” x 9” CARTON C 1220 x 980 x 280mm / 48”ʼ x 39” x 11” PRODUCT DIMENSION 1156 x 1407 x 1592mm / 46” x 55” x 63”