Rubbermaid Direct Mount Non-Adjustable Closet System, Hardware, White, FreeSlide Rod Spacer, Set of 2 (1875979) Place these at the end of any Wardrobe or FreeSlide shelves and hangers will not slide off the end. Innovative design of FreeSlide shelving allows hangers to glide from wall-to-wall without interruptions. Installs quickly and easily with the included mounting hardware. No cutting necessary. 3D65 cap closes open ends of Wardrobe shelving. 3D66 cap closes open ends of FreeSlide shelving. Made in the USA.