The new Atlas Sound WMA (wall mount assembly) series of wall racks provide outstanding versatility, strength and functionality all in an elegantly designed package. Constructed from 16-gauge CRS. Designed with extensive field research and contractor input, the WMA series is the perfect solution for any installation where a wall mount cabinet is required. Optional front door available (sold separately). Ships with one set of plated rack rails and (100) 10/32 x .75" rack screws with captive washers.