Product Description DOOR TYPE; 18 GAUGE STEEL MATERIAL; WHITE POWDER COATED FINISH; 28 INCH STRUCTURED MEDIA ENCLOSURE USED ON; HINGED INSTALLATION; UL(CANADA AND US), UL 985/1023/1863, CAN/CSA C22.2, ACA APPROVAL From the Manufacturer 28" SMC Standard Hinged Door: Used with Leviton's Structured Media™ enclosures (SMCs), the standard hinged doors open 180 Degrees and can be easily mounted for left- or right-side opening, providing easy access for frequent adds, moves and changes. For additional security, and to discourage tampering, Leviton also offers an optional lock and key set. White powder coated 18 gauge steel (cover/door).