Rev-A-Shelf, RAS 305-34, Base Cabinet Organizer Accessories, RAS, Base Cabinet Organizers, Shelf Supports, 3/4 Shelf Locking Clip for Wall Mount Shelves These custom molded components are made of high-quality, engineering-grade, polymer materials. This set will help make sure shelf sets can be mounted securely at the height of your choice. Wasted space is a thing of the past! Rev-A-Shelf is the worlds largest manufacturer of functional storage organizing products. Rev-A-Shelf can offer both the professional and the homeowner the finest cabinet storage solutions available. Features: 2.25 Tall Holds 3/4 (19 mm) shelf securely 5 mm (1/5) stud fits in wall holes Allow 5/16 projection for clip on each side Engineering grade, polystyrene Material