The Body Solid Doorway Chinning Bar easily mounts to your doorframe so you will be ready for your workout right away. Its multi-use design is large and sturdy enough to with hold 300 Lbs. This pull-up machine adjusts from 29" to 38" in width to adapt to most sized doorways. It extends a full 10" out and away from doorway frame for head clearance when doing full-range pull-ups. The heavy-gauge reinforced steel provides stability and durability. Convenient lift-out design for easy storage. Includes mounting hardware.