Guider deluxe rack cases are molded from an durable high-density ABS. Guider Cases provide maximum security for your equipment and are lightweight for easy transportation., also have sloped side handles to insure comfort for your hand while lifting. Ridges on the top and bottom of the racks make them universally stackable with Gator rack cases and those of other manufacturers as well. These cases have a rackable depth of 17/19" for you to choose.