Body-Solid Seated Calf Raise Machine (GSCR349) Seated calf machine increases calf muscle interaction and helps speed the rate of development Unique foot platform eliminates stress compression on the foot while providing maximum range of motion Offers friction-free movement through heavy-duty calf-blasting workouts DuraFirm padding for exceptional comfort and durability during intense lifting 11-gauge high-tensile strength steel stands up to high-traffic use in gyms