APPLICABLE SIZE: The diameter of peg shaft is about 3 mm, in order to make dowel pins a tight fit, your hole should be equal to or slightly smaller than 3mm. ANTI-SLIP DESIGN: Comes with anti-slip rubber sleeve on its supporting plate, which can effectively add friction and prevent shelves from slipping off, compatible with both glass and wooden shelves. EASY TO ASSEMBLE: Just insert the bracket into the mounting hole to get a firm and non-slip installation effect. Triangular design, the shelf support kit can be firmly fixed. The perfect invisible effect will not affect the beauty of the furniture. WIDE APPLICATIONS: These shelf support pin can be used in kitchen cabinets, bookshelves, showcases, wine cabinet, wardrobes etc., compatible with both glass and wooden shelves, they can provide great convenience for your life. MATERIAL: It is made of alloy and plastic material, which is strong against rust. The plastic material prevents the glass from sliding on it., Manufacturer: VGOL