Pull Up Bar Built for durability and comfort, the B.M.P. pull up bar is the ultimate fitness training tool for strengthening and developing your shoulders, back, arms, chest, abs, and more. This is the perfect workout solution or your home, office, or dorm room. The pull up bar mounts easily to any door frame to become your own personal gym and features 12 grip positions. As a result, you can build multiple muscle groups with a variety of exercises, with the wide-grip positions challenging your upper lats, biceps, and forearm muscles, while the narrow-grip positions put more emphasis on your lower lats. Also you can take it off the door when you want to do push-ups or sit-ups. This versatile pull up bar is one piece of equipment to do pull/chin ups in various grip positions. The pull up bar is designed to fit most doorways 24" to 32" wide. As well as fitting trim up to 3 ½ inches wide. Requires no drilling into walls and makes moving the pull up bar from door to door very simple!