Fitness Portable Exercise Door Gym Sit Pull Chin Up BarPortable Exercise Door Gym Sit Pull Chin Up Bar With the multi function exercise bar you can use to do pull ups, chin ups, push ups, sit ups, dips, basically every exercise you need to build a powerful upper body. It uses your body's own resistance to deliver powerful results fast. Pull ups in different position on the bar will develop different back and arm muscles. FEATURES: * Most adaptable and effective pieces of home kits you can buy * Chin up