Body-Solid Leverage Squat & Calf Raise - ask any fitness professional what exercise is the best for developing explosive lower body power and the answer is always the same: the Squat. The Squat is the ultimate exercise for building mass and strength in the thighs, glutes, calves, and lower back. This Leverage Squat / Calf Raise Machine is engineered to eliminate the risks of this essential exercise while enhancing the benefits and increasing the effectiveness. Go heavy! Perform squats with 300, 500, 800 pounds and more! The Leverage Squat Machine is the strongest machine in its class and can handle the heaviest loads with ease. This machine is built for those who want it all...power, mass, and performance! Olympic style plates only. Weight plates optional.