Prime-Line Products U 9302 Shelf Support Peg, 3 mm (1/8 in.), Metal & Plastic Construction, Clear (Pack of 8) Used to support adjustable shelving 3 mm (1/8 in.) outside peg diameter x 5/16 in. seat Clear in color (Pack of 8) Plastic construction with steel peg Used to support adjustable shelving 3 mm (1/8 in.) outside peg diameter x 5/16 in. seat Clear in color (Pack of 8) Plastic construction with steel peg