High Load Capacity, Intense Training: 2000lbs larger load-bearing, leg press hack squat machine is matched with 2in standard weight posts, satisfying with the intensity of different weight workout, burning parts of fat, shaping your figure Rock-Solid Stability, Durable: Made of premium carbon steel and tailored for stable linear bearing design, specialty hack squat machine is equipped with 3mm thickened tube, durable, extending service life without frequent replacement 7-Position Adjustment, Enjoyed by All: Designed with 3 gears adjustable backrest and 4 levels adjustable safety limiter, customed workout position on your own, adjustable leg press machine meets diverse workout needs of all families Flexible Backrest: Removable backrest design makes switching exercise positions effortless instantly, while providing stable support and comprehensive protection for your bones and joints. Leg exercise machine ensures that every workout is reassuring