Big Mike's Fitness 3-In-1 Door Gym Set-up is simple and fast: easy to install so that you can start your workout immediately Specifically designed to protect doorway: fits door frames 27.5"-32" Wide Allows for multiple exercises with one machine: door gym exercises include 3 kinds of pull-ups, sit-ups, push-ups and dips Tough material allows for maximum weight: weight limit: 300 lbs Lightweight and portable door gym workout bar: steel, foam and plastic construction