The Raxxess Economy Rack Studio Racks are 16 inches deep and provide a very economical yet attractive means for rack mounting audio gear in studios, churches or other venues. The simplest of designs, the Raxxess Economy Racks are black oak laminate over 5/8 inch medium density fiberboard. These great racks are shipped knocked down and assemble in minutes with the hardware kit provided. Rack rails included are 11 gauge cold rolled steel, punched and tapped to EIA standard spacing. Pilot holes for mounting rail are pre-drilled.