Strengthen and tone your chest, arms, shoulders, back, abs, and more. Iron Gym comprised of a retaining bar, a padded crossbar, and two curved handles. The unique design (cantilevered design) distributes downward force so that the stress is not on the door trim/molding on the top of the door, but on the padded bar of the Iron Gym. It easily hangs and can be removed from the door frame in seconds. The durable steel construction holds up to 300 lbs. Its designed to fit residential doorways 24 to 32 wide with doorway trim or molding up to 3 inches wide.