Feature: 1. Specifications: Provide 20 sets of rivets and screws, each set contains a 15mm round head stud rivet and a 6mm crossed iron screw, rivet and screw use together, simple and practical 2. Zinc Alloy: These button rivets are made of zinc alloy material, with high hardness and wear resisting; Featuring sealed and polished to ensure a glossy exterior, without scratches and dust 3. Firm and Beautiful: The two parts of the rivet are tightly fitted, firm and will not shake after installation; The stud is centered, and the crossed slot of the screw is thin, ensuring a beautiful appearance 4. Screw Back Design: These rivets are easy to install and remove. Use a punch to make a hole in the leather, thread the screw through the hole, cover the button stud, and then tighten the screw 5. Versatile Use: Suitable for connecting any small straps and belts, such as backpacks, handbags, wallets, shoulder bags, shoes, clothing, etc., and can also be served as craft accessories and decorations Specification: Item Type: Rivet Screw Set Material: Zinc Alloy, Iron Specification: 20 Sets (each set includes 1 rivet, 1 screw) Rivet Diameter: Approx. 15mm / 0.59in. Package List: 20 x Rivets 20 x Screws