The 3RU Rack-Mount Pull-Out Shelf adds smooth, extendable storage to your rack cabinet or cube. Built with durable steel and full-extension ball-bearing slides, this 17.75" deep shelf glides out effortlessly to provide quick access to components, peripherals, or small AV equipment. Designed for standard 19" rack spacing with a minimum depth of 18", it supports up to 80 lb and installs easily.