This uniquely designed Pro-Style Doorway Chinning Bar is constructed of heavy gauge reinforced steel. Multi-use design is large and sturdy enough for the big boys. The bar quickly and easily mounts to your doorway frame and is infinitely adjustable from 29" to 38" in width. It extends a full 10" out and away from doorway frame for head clearance when doing full-range pull-ups. Convenient lift-out design allows easy storage. Mounting hardware is included. Get even more from your workout by adding the Body Solid Gut Blaster Slings AAB2 and the Body Solid Inversion Boots GIB2