Prime-Line R 7316 Locking Shelf Pegs, 1/4 in. Peg x 1/2 in. Shelf, Plastic, Clear (Pack of 6) Used to support and lock in 1/2 in. thick shelving 1/4 in. outside diameter serrated peg x 5/16 in. depth x 1/2 in. reach with lock tab for 1/2 in. thick shelves Clear finished material Plastic construction Please verify shelf thickness and peg diameter before purchasing as there are other models available to accommodate different hole sizes and shelf thicknesses