Versatile shelf can be used upside-down as a tray with a protective lip or right-side up as a shelf. Unit provides easy access to 16.75" wide (max.) keyboards, video tape recorders, and control equipment. Solid bearing slides extend 17" outside of cabinet rails and include lock-out protection. It mounts 19" W cabinets that are 18.5" to 25.5" deep which are equipped with front and rear mounting rails. The 16-gauge CRS assembly is finished in black epoxy. It supports up to 85 lb. (38.56kg) and includes necessary hardware.