1、Exquisite workmanship: the surface is electroplated which makes it has excellent resistance to corrosion and rust. 2、High density: made of quality copper, it is sturdy and durable. 3、Varied color: 4 different colors for you to choose according to your need. 4、Easy to use: each rivet comes with a screw which is convenient for your application. 5、Ideal for decorating your bags, belts, leather bracelets, shoes, boots, handbags, hats. Suitable for all kind of art and leather crafts and clothes making. Features: Exquisite workmanship: the surface is electroplated which makes it has excellent resistance to corrosion and rust. High density: made of quality copper, it is sturdy and durable. Varied color: 4 different colors for you to choose according to your need. Easy to use: each rivet comes with a screw which is convenient for your application. Ideal for decorating your bags, belts, leather bracelets, shoes, boots, handbags, hats. Suitable for all kind of art and leather crafts and clothes making. Specification: Material: Copper Weight: Approx.72g/ 2.5oz Size: Approx.10 * 29mm/ 0.4 * 1.1in Diameter: 10mm/ 0.4in Color: Yellow/ Blue/ Red/ Silver (Optional) Quantity: 10pcs Package List: 10 * Spike Rivets Note: Please allow 1-2mm errors due to manual measurement. How to install the rivet: Punch a hole on mounting position, then put rivet into the hole, tighten the screw finally.