1 Pair (2 pieces) of full extension, Lock in, Lock out drawer slides. Designed for high loads with a 500 lb. capacity. Dimensions: 3"(76mm) tall by 3/4"(19mm) wide. The Locking Tab adds just over 1" to the advertised Length. Chrome Plated with steel ball bearings. The inner rail of the slide DOES NOT REMOVE. Screws not