Lack of exercise, physical function will decline, which will cause physical discomfort, affecting work and study. This adjustable length door chin bar is perfect for doing fitness at home, such as pull-ups, pull-ups, lifting legs, sit-ups and sit-ups, you only need minimal space and can be conveniently arranged in the door frame Or on the corridor, making quick workouts easy.★Product detailsName: Door frame horizontal barMaterial: steel pipe+EVA foam+rubberThickness: 3mmMaximum load: 300 kgSize: Retractable, shortest length: 75 cm, longest: 95 cm.Advantages: no need to punch holes in the wall, easy to install, easy to carry.Safety: The non-slip foam grip provides a firm grip and is equipped with non-slip washers to increase friction and prevent vibration.Uses: Can be conveniently arranged in the door frame (not for glass doors) or in the hallway to relax your body anytime, anywhere. Strengthen grip, upper body strength and shoulder strap strength.☞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.3.Close the anti-loose locking catches.4.Test if the installation is well enough then start your exercise.☞ If you have any questions, please do not hesitate to contact us, we will serve you as soon as possible.Thank you for your understanding and enjoy your shopping time, GUOYANHOME brand is committed to providing you with the best service, our store has a variety of styles, you can view my store.