1. EASY INSTALLATION WITHOUT DRILLING It takes only a few minutes to install and remove from the door. This pullup bar is equipped with two antislip devices on both sides. Simply turn the bar to press it against the door frame, ensuring it stays firmly attached to the wall. The stronger you pull on this bar, the more stable it becomes. 2. ADJUSTABLE CHINUP BARS The gym bar can be used between door frames, corridors, and hallways. Mounting without screws allows you to adjust the height and space at any time. It is a strength training device that helps you achieve your fitness goals at home! 3. NO TRACKS ON DOORS Soft antislip pads on each side of the pullup bar prevent damage to doors by ensuring the bar doesn't fall off suddenly. Our pullup bar features a stainless steel locking mechanism that prevents rotation during use, ensuring support while exercising. 4. COMFORTABLE HANDLES THICKENED STEEL TUBE Extralong nonslip foam handles provide added comfort to minimize hand fatigue or pain. The bar is made of thickened, chromeplated stainless steel for durability.