A great training tool for any outdoor adventurist, the Stamina® X Boulder Fit Doorway Trainer is the ultimate, multiple grip doorway trainer for developing upper body muscles through pull-up, chin-ups, sit-ups and dips. Featuring foam grips and rock climbing hand holds, it allows you to increase grip and forearm strength. The Stamina® X Boulder Fit Doorway Trainer is designed to fit standard doorframes and supports users up to 250 lbs. FEATURES: Multiple grip position trainer to build upper body and grip strength Made of sturdy steel construction, thick foam grips and rock climbing hand holds Tones and builds upper body muscles through pull-ups, chin-ups, sit-ups and dips Attaches and removes easily from doorframes for easy installation Assembled Dimensions: 36.5” L x 17.25” W x 11” H Fits standard door frames Supports users up to 250 lbs Manufacturer’s Warranty: 1 year frame, 90 days parts Model: 50-0085 Stamina