Atlas Sound ATPLATE-052 Attenuator Rack Mounting Plate Holds up to 6 Attenuators is a perfect for any application where it is needed. It is a a 2RU high #14 gauge plate pre-punched to accommodate up to (6) Atlas Sound RM attenuators. Beautiful black filter plugs are included for a convenient application. Dial scales are included with this series, and for convenience there is an additional 6 dial scaleswith ATPLATE This allows the contractor to stock only standard single gang plate Atlas Sound attenuators which can be modified for use with the ATPLATE by simply removing the single gang stainless steel plate. The ATPLATE is finished in flat black epoxy to better blend in with other rack mount equipment.