The Perfect Fitness Perfect Multi-Gym Pro fits most 27" - 35" wide door frames to offer an intense upper body workout with 3 kinds of pull-ups, chin-ups, sit-ups and dips. With 3 grip options, including wide angled, close and hammer, you can work different sets of muscles. The height is easily adjusted to help ensure a secure fit, and thick pads help protect your door frames. Features and Benefits Offers an intense upper body workout with 3 kinds of pull-ups, chin-ups, sit-ups and dips Heavy-duty construction includes painted steel, open-cell foam and plastic materials to ensure durable performance and support up to 300 lb. Thick pads help protect door frames 3 grip variations to work different sets of muscles Adjustable height helps ensure a secure fit in most 27" - 35" wide door frames Easy to install with no drilling required