Prone positioning allows for training hamstrings across both hip and knee joints Pad angles stabilize hips to prevent them from rising during exercise Adjustable range of motion to accommodate goals or knee limitations 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 138kg / 304lbs PRODUCT WEIGHT 228kg / 503lbs CARTON DIMENSION CARTON A 1500 x 745 x 180mm / 59” x 29” x 7” CARTON B 1510 x 820 x 390mm / 59” x 32” x 15” PRODUCT DIMENSION 1561 x 1121 x 1592mm / 61” x 44” x 63”