Lower Body Master: GMWD Black version LH01 leg press hack squat combo provides an awesome lower body burn that targets your thigh, glutes, and ham. Hydraulic Bar: Instead of bending over to find the adjustment knob, LH01 can easily change between leg press and hack squat by simply pressing the pedal or handle. Leave the time for heart rate adjustments and get more involved with your next movement. Stronger Stability: Adopted the linear bearing structure instead of rolling bearing. Makes your every movement more stable and smooth, and accompanies you every next leg day. The special designs on the back rod could provide longer paths of movement, suitable no matter if you are 5' or 6'! Commercial Weight Machine: With a footprint of 80" x 33", the gross weight is a staggering 340 pounds. No matter how many weights you have on hand, you can put them to good use with this stellar piece of equipment. Safety Limiter: 4 height choices for both leg press and hack squat. Break your old squat with our machine without fear! Build stronger thighs and better cardio day in and day out.