chin-up bar 1. New design with smaller space. 2. ... the Iron Gym you can perform pull ups and chin ups, sit ups, push ups, and dips effectively ... , abs, and more. Its the total body workout bar. The Iron Gym attaches and removes from your door. ... position4. Quick and easy assemble5. Fits door ways up to 32" wide trim requiremend6. Takes only seconds ... No drilling, no tools, no fastener needed chin-up bar