[High-Quality Rivet Burr] Made of high-quality copper with corrosion resistance and rust resistance, durable and solid, integrated molding for added strength. Includes matching washers for a secure and tight installation. [Product Dimension] Rivet: 10 x 12 x 3.3mm. Copper rivet is perfectly matched with the washer. [Easy to Use] Punch a hole in leather using a round punch. Insert the cap into the pre-drilled hole and place the rivet stem through the cap. Use a setter tool to secure and flare the rivet. Cut off the excess stem, leaving a 23mm protrusion. Place the setter head over the rivet and hammer until the rivet is flattened and fully set. Installation complete! Simple and straightforward process. [Widely Applicable] Ideal for repairing various leather goods. Perfect for use on courier bags, straps, purses, belts, wallets, collars, halters, clothing, bracelets, and DIY leather crafting projects. Color: Red Material: Copper Package Contents: 1 set x Rivet Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variations may occur due to lighting and monitor display differences. Measurement error allowance: +/- 1-3 cm.