Featuresquick and easy to assemble made of stainless steel, strong and durable. works with all standard door frames. no screws installation which will not leave marks on the door. non-slip foam grips can relieve hand fatigue. ideal for pull-ups, leg lifting, sit-ups, or push-ups. specifications bar length: 115cm-140cm material: steel tube, eva foam, rubber max load:440 lbs(200kg) advanced structure: no screw & no trace half-arc structure the half-arc structure pull-up bar uses the principle of mechanics, the heavier the upper pull rod is, the stronger it is. non-slip base this pull-up bar is designed with non-skip devices on both sides, which can firmly stick to the door and protects door frames from cracking. foam gloves the non-slip soft foam handle minimizes hand fatigue or pain. it can be disassembled and cleaned at the same time. we also provide a spare pair of gloves. safety tips: before installing the pull-up bar, please confirm the mounting position (wall/frame) is solid. please read the user manual carefully, and install and use this pull-up bar correctly to ensure safety. before each use, you must check whether the doorway pull-up bar is firmly installed. don't exceed the maximum load capacity of 200 kgs. a series of dangerous actions such as violent swing, handstand, upside down, upside down, jump, and rotation are strictly prohibited. minors should use the chin-up bar under the supervision of a guardian. how to set up: 1) loop the