Brand: Hammond Item: Subpanel For Use With: 24x24 (HxW) 1418xxxx, 1447SCxxHK, C3R2424xxHCR and HW2424xxxxHK enclosures Material: 5052-H32 aluminum Height: 21in Thickness: 12 gauge Width: 21in Perforations accept self-tapping screws for mounting lightweight components: No Hammond subpanel, 5052-H32 aluminum. For use with 24x24 (HxW) 1418xxxx, 1447SCxxHK, C3R2424xxHCR and HW2424xxxxHK enclosures.