For home gymbar exercise fitness allows you to perform a variety of upper body strengthening exercises, which are perfect for pull-ups, chin-ups, leg raises and more. You also can move the upper body workout bar down to the lower part of the doorway for dips, crunches and even stretching. Thick silicone pads prevent scratches. Easily removable for storage.Suitable for standard doorway, perfect for home, garage or office use. The applicable door frame width of this horizontal bar is 27.6"- 42"(69 cm-107 cm). It is not recommended to use this product for door frames outside this range.The horizontal bar is suitable for solid surfaces such as tempered doors, solid wooden doors, and walls. It cannot be installed on surfaces with poor load-bearing such as glass doors. The maximum load-bearing capacity of the horizontal bar is 440lbs. If the weight is greater than this load-bearing capacity, it is not recommended to use this product.