Durable: Our solid copper is a strong and durable metal that resists corrosion and wear. When used in rivets, it creates a long-lasting bond that can withstand heavy loads and constant use. Dimensions: 6 sizes available (Head diameter x Total length of rivets) Package list: 20 sets of copper rivets 12x14mm (Head diameter x Total length of rivets) and 20 sets 12x19mm (Head diameter x Total length of rivets), installation tool and round hole punch. Safety: Since the setting tools are hammered down to create a secure bond, they are less likely to loosen or come apart over time. This makes them perfect for use in applications where safety is important. Easy to use: The copper rivets are designed to be easy to use, whether you are an experienced craftsman or a beginner. With a simple installation tool and intuitive design, you will be able to use our riveting tools with confidence. Wide range of applications: This set of brass rivets and washers works well for making or repairing leather products, such as belts, handbags, ropes, bags, leather ornaments and so on, providing you with great convenience. Color: As shown Material: copper Package contents: 1 x set of leather rivets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.