Swivel, self-adjusting handles to accommodate different size users Anatomically correct cam for proper muscle resistance Precision, Air-Lift seat allows different heights without leaving the seat Precision bearings for smooth operation Comfortable angle chest pad for proper tricep extensionsb Back pad and foot braces keep user in proper position 150 lb steel weight stack with magnetic selector pin 36″ l x 40″ w x 55″ h, 390 lb 92 cm x 102 cm x 140 cm, 177 kg