Door frame pull up bar uses leverage without drilling or screws to hold against the doorway, so there is no damage to door. Its innovative double-pad design can distribute the pressure to both sides to ensure that the bar will not loosen. Our door pull up bar has a high-density stripe adjustment system that extends its length with a simple twist. 92cm-124cm wide door frame has the best load-bearing effect, the maximum safe length is 124cm. Thickened high grade steel tube, net weight is nearly 2kg, which is heavier than most other similar products and holds up to 220 pounds. Double Lock catch and fixed position base increase friction and prevent dangerous rotation loosening The handgrips of our wall mounted pull up bar is made of highly elastic rubber and nylon, which has soft touch with thicker absorbent foam outer and tear-resistant lining. The home pull up bar can be used as a doorway pull up bar or turned over to perform situps, push-ups, chin-ups and dips, which can target upper body & core muscles for exercise.