Slide-Co 243423 Shelf Support Peg, Self-Locking, Fits 1/4-Inch Diameter Hole & 3/4-Inch Shelf, Clear, Pack of 6 Clear plastic construction Self-locking shelf supports Used to hold wood shelving securely in place Easy to install Verify peg hole diameter and shelf thickness before ordering Note: Fits 1/4-Inch Diameter Hole & 3/4-Inch Shelf