The Advantages of Our Product: ✔ Sturdy premium construction with 1.5mm heavy-duty steel, supporting up to 440LBS. ✔ 1.0 inch extra thick foam protects wall frame without scratch and damage. ✔ Tighten screw connected main steel tubes firmly, no slide, no crack. ✔ Boost strength training of biceps, triceps, chest, back and other upper body muscle groups. ✔ Exercises for pull-ups, chin-ups, leg lifts, push-ups, etc. ✔ Quick and easy installation, NO screws, NO holes. We don’t need to drill or fix the pull-up bar to the door permanently. ✔ We have prepared additional components, if you don’t want to put pressure on your door frame. ✔This fitness bar is perfect for a variety of exercises including pull-ups, chin-ups, hanging leg raises, push-ups, dips, sit-ups, crunches, and other exercises, can exercise your shoulder, chest, biceps, triceps, dorsi, abdominal and other muscles. Item Include: Pull up bar, 2 X J shape bracket, 8 X screws, 8 X plastic expansion tubes for back up, 2 X foam protection pads, 1 X User manual.