1. Durable Material Shelf pins are made of zinc alloy and polished nickel, with good quality and durability, and a long service life. The surface is smooth, without metal scratches, and can meet daily shelf needs. The set includes shelf pins and dowels, with a total of 104 pieces. 2. Styles and Sizes - There are 4 styles of nickel - plated shelf support pins: - 8 pieces of L - shaped support pins with hole. - 10 pieces for cabinets with 5mm and 1/4 inch holes. - Bracket type shelf support size: 6.35mm / 1/4 inch diameter, pin length 8mm / 0.30 inch, 13mm / 0.51 inch width. - Flat spoon shelf support pins size: 5mm / 0.20 inch diameter, pin length 9mm / 0.35 inch. - Cylinder shelf dowels size: 5mm/0.20 inch diameter, dowel length 7.5mm/0.3 inch. - Dowel pin size: 5mm/0.20 inch diameter and 25mm/0.98 inch length. 3. Wide Applications Bookshelf dowels for shelves are easy to install by hand. They can be used for cabinets, bookshelves, display cases, furniture, wardrobes, closets, cabinets, bookcases, pantry shelves. (Note: Small cabinet shelf dowels, keep these small parts away from children.) 4. Warm Notice In order for the cabinet shelf dowels to fit tightly, your hole should be equal to or slightly smaller than the diameter shown (less than or equal to 5mm and 6.35mm/1/4 inch).