Our rivets and studs are made from nickel-free copper, ensuring they are stainless and durable. They are not easily bent, deformed, or faded, and are strong and robust. The surface is smooth and won't scratch your hands. Our tubular rivets are perfect for repairing broken belts, leather crafts, DIY clothing, shoes, leather goods, bags, jeans, hats, jackets, pet collars, adding decorations, and much more. Double cap rivets come in 3 sizes: 6x6mm; 8x8mm; 8x12mm. Available in 3 colors: Gold, Silver, and Green Bronze, to meet your various decoration needs. Apparel Rivets: Ensure your fabric is not thicker than the rivet size. Simply punch a hole and screw them on. It's easy to add your favorite rivet elements to your crafts. The storage box is compact and easy to carry, with all rivets and tools stored in a transparent storage box. This 300-set leathercraft tool and accessory kit comes with 4 fixing tools: 1 punch, 1 installer, 1 base, and 1 punching rod. Color: Gold + Silver + Bronze Material: Iron Package Contents: 1 set x Press Studs Only. Other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.