Extra Large Storage Drawer: This 33' steel drawer mounts to the underside of your desk (at least 0.75' thick) and provides ample room for organizing your area. The internal 30.1' x 9' space holds paper, writing utensils, devices, office supplies, and more Low Profile Tray: 3' high interior preserves much-needed leg room while the 9' deep design allows ample room for all of your daily essentials. Can be assembled as a compact under-desk keyboard tray (2.4' height clearance) with removable front (see manual)