Zeny Heavy-Duty Easy Gym Doorway Chin-Up/Pull-Up Bar The Heavy Duty Easy Gym Doorway Chin-up Pull-up Bar from us provides an inexpensive way to tone and build muscles at home, without large equipment or marrying your door frame with installation screws. Designed to slip into doorways from 24 to 32 inches wide, the Easy Gym can be installed anywhere you have a sturdy door frame. But, if you have a permanent location in mind, the gym can also be mounted to the wall with the optional, included wall brackets. Thanks to the gym's multi-position design, you will be able to develop your back, chest, shoulders, arms, and abdominal compound muscles with one simple piece of equipment. In addition to traditional pull-ups and chin-ups, the bar allows you to perform closed-wide angle and hammer grips as well as multiple leg raises and oblique curls. Built to last, the Easy Gym is constructed of high-grade steel with us Comfort Grip technology for a secure and pain-free grip. The bar's maximum weight capacity is 300 pounds within a sturdy doorframe. -No costly mounting or screws -This chin up bar slips on and off door frame easily for complete and total portability!!! -Optional hardware is included in case you do choose to permanently mount your Chin-Up Bar. -Adjusts to fit most doorways up to 32" -Multiple grip positions allow you to work muscles from different angles (i.e., closed-wide angle grip, closed-wide hammer grip) -Heavy-duty, all steel construction with comfort in mind with Comfortable Grips -Fast and Easy Assembly (About 10 minutes)