Mounting bracket kits are field-installable. Composite kits are rated for 500 lb. (227 kg) maximum load. Kit includes four brackets and mounting hardware for all Type 1 Networking wall-mount and COMLINE enclosures. DMFK1 and DMFK2 include two 14 gauge steel external mounting brackets and fasteners. Mounting bracket kit CMFK and CMFKSS each contain four 12 gauge steel or Type 304 stainless steel external mounting brackets and fasteners. Sealing washers are provided with each kit to maintain Type 4 or 12 rating after installation. Steel mounting brackets are plated.