Platte River 941609, 20-pack, Hardware, Shelf And Support, Shelf Pins, 1/4" Glass Shelf Support Nickel Plated Shelf clips lock glass shelves in place for a secure mount. Specifications: Bore Diameter=5 mm, Finish=CHROME, Pin Length=5/16 in Specifications: Support Length=3/4 in, Support Width=3/4 in