High Load Capacity, Intense Training: 550lbs larger load-bearing, leg extension and curl machine is matched with 1in and 2in standard replaceable weight posts, satisfying with the intensity of different weight workout, burning parts of fat, shaping your figureRock-Solid Stability, Durable: Crafted from premium carbon steel, reinforced with 2mm thick tubes, seated leg extension machines stands the test of time. Adjustable lower body specialty machine storage design ensures a rock-solid stability, offering long-lasting use without worry, all at an exceptional value8+24+12 Levels Adjustment, Family-Friendly Fun: Designed with 8 gears vertically-adjustable thigh pad, 24 levels adjustable leg extension and 12 levels adjustable calf pad bar, customed workout position on your own, leg hamstring workout and quadriceps exercises equipmentmeets different workout needs of different families3+3+8 Levels Personalized Ergonomic Positions: Comes with 3 levels adjustable position and angles cushion and 8 levels adjustable backrest, personalizing your special comfortable training positionAll-Around Body Shaping Machine: Lower body special leg machine can realize leg curl/ leg extension/ reverse leg curl/ glute bridge workout postures in one versatile machine, it reveals a stunningly fit physique