Big Mike's Fitness Elite Door Gym 12 Grip Positions for Building Multiple Muscle Groups Quick and easy set up: easily installs in doorways for an intense upper body workout 12 Grip positions for building multiple muscles: the big mike's fitness elite door gym is unique Attach to most doors: sturdy steel frame mounts quickly and removes easily without tools or fasteners Soft grips for comfortable workout: the big mike's fitness elite door gym is not only the most sturdy and versatile pull up bar Maximum weight support: holds up to 350 pounds