The Endeavor Pencil Drawer is a pull-out black plastic tray mounted to metal rails with steel ball bearing glides. It features a large compartment for paper and smaller compartments that can hold writing utensils, paper clips, binder clips, staples, or other office supplies. Easily mounts underneath any desk that is at least 17" deep, as the installed dimensions are 22 1/2" w x 16 5/8"d x 1 3/4"h.