Brand: Hammond Item: Subpanel For Use With: 18x18 (HxW) C3R1818xxHCR enclosures Material: Galvanized steel Height: 15in Thickness: 12 gauge Width: 15in Perforations accept self-tapping screws for mounting lightweight components: No Hammond subpanel, galvanized steel. For use with 18x18 (HxW) C3R1818xxHCR enclosures.