Are you looking for a way to get fit without going to the gym? Do you want a fitness device that can train your body anywhere in the office or at home? This Fitness Multi-Gym Doorway Pull Up Chin Up Bar Home Fitness Workout Bar can be a good choice. It won't leave any mark or damage on the door. Because no drilling required and Screwless Installation. Instructions are simple and intuitive. The buckle design and 360-degree lock ensures that the pull up bar does not loosen during training. Adjust the height and position at any time.This door pull up bar is ideal for a variety of sports. Thickened stainless steel pipe up to 3mm. Unfixed handle allows you to move it to the right location Specification: Weighs: 77.6oz Material: 304 stainless steel Door Frame Width : 26?to 39?(66 to 97cm) Max. Load: 220lbs Assembly Instruction: Step 1: Confirm the distance between the two sides before installation. Step 2. Take out the pull up bar and the two non-slip Mats in the package, and align the mat with the pull up bar grooves respectively. Step 3. Turn the level meter downward and make sure the calibration bubble stays between the two black lines. Step 4. Insert the Hex wrench into the rotation port and rotate it clockwise until it tightly snaps against the door frame Warm Reminder: 1.Please measure the installation distance before purchase. 2.Note that with pull up bars that attach to walls or door frames, you always want to make sure the wall or frame is constructed of a solid material like wood studs, brick, or concrete. Plain drywall or a thin metal door frame wonÂt be able handle the tightening of the bar.