Gym Can be used for sit-ups, pushups and dips. Pull up station are easy to install and does not require any drilling. Pull up rack, fully functional, all-in-one pull up, chin up, push up bar in the market today pull up bar door multi-function chin up bar is an inexpensive and easy way to tone up your muscles and get that beach body you always wanted. Pull up bar for door works on your back, chest, shoulders, arms, and abdominal compound muscles! Pull Up Bar Doorway is a multi-function strength training device that promises to sculpt your upper body through pull ups, chin ups, and abdominal work.