Powertec Fitness Levergym Squat Calf, Black Setting the foot plate at the correct angle and properly positioning the plate load, all stress and pressure is taken off the lower back and knees The resistance is focused totally on the thighs to drive the motion An innovative Slide Handle bar is incorporated that allows the user to start and stop the exercise in the top position Squat Lever Arm: 500 lbs.; Weights sold separately Squat Lever Arm: 500 lbs.; Weights sold separately