This Pull-Up Bar for doorway is a perfect addition to any home gym workout for upper-body strength and toned muscles. Supporting many kinds of exercise, ideal for pull-ups, push-ups, chin-ups, dips, crunches, and more. With this exercise bar, you need minimal space in your house to do highly effective bodyweight exercises. If you want to improve your fitness, this is a good choice for you!★Product detailsName: Portable pull-up barMaterial: Steel pipe, EVA foam, rubberThickness: 3mmMaximum load: 200 kg (441lbs)Size: Retractable, shortest length: 74cm, longest: 175cm.Uses: Can be conveniently arranged in the door frame (not for glass doors) or in the hallway to relax your body anytime, anywhere. Advantages: no need to punch holes in the wall, easy to install, easy to carry. Remove the pull-up lever without leaving any traces or obstructing the door from closing properly.Multi-functional exercise: Perfect for pull-ups, chin-ups, dips, push-ups, crunches and much more. Strengthen your arms, chest, back and abs for a more desirable body, improving your confidence and long-term health.★ Assembly instructions :1. Adjust the length of the pull-up bar.2. Install the pull-up bar and rotate the bar to adsorb the door frame.Close the anti-loose locking catches.3. Test if the installation is stable enough then start your exercise.(When the weight is increased, it can be reinforced with screws to make the support more stable and safe.)★ Important Safety and Usage Information: Install only in solid and stable door frames using the supplied door mounting kits (Do not install on hollow walls and glass door walls). Do not exceed recommendations for maximum installation heights or weight supported. Ensure bar is firmly tightened and stable before every use. Cautiously test it can support your weight before commencing any set