Warm Tips: This Doorway Pull Up Bar has 2 levels of adjustment, suitable for door frame / wall thickness 3.94-9.45 inch, door frame inner width 22.44-34.65 inch, outer width 37.4 inch to above. Please measure whether it is suitable before buying to avoid unnecessary losses in the future!Pull Up Bar: Turns any doorway into a personal gym; installs in seconds.Enhance your back, chest, arms and abdomen with pull-ups, sit-ups, push-ups, push-ups, and leg lifts to make your home comfortable.The best choice for exercising at home. Can be used for optimal upper body training to strengthen the abdominal and arm muscles, or isolation and strengthening of the central back muscles.Comfortable grip, multi-function, anti-slip, easy to use. Heavy-gauge steel construction and tested to work perfectly up to 300 lbs.