ATPLATE-052 Features: -Mount plate.-Pre-punched to accommodate up to 6 Atlas Ssund attenuators.-2 RU2 RU, 14 gauge, black filler plugs provided if not fully loaded.-Made in the USA. Color/Finish: -Finish: Flat black epoxy. Dimensions: -Overall Dimensions: 3.5" H x 19" W x 0.63" D..