The simplehuman wall mount paper towel holder allows you to maximize your space while freeing up counter space. It can be mounted to a cabinet or a wall in any position. The quick release knob detaches with a light squeeze of the button and makes changing your roll quick and easy. A tension spring prevents unraveling and creates slight resistance to allow pulling off one paper towel at a time. 2.8D x 13.0W x 4.7H