Our rivets and studs are crafted 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, 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. Clothing Rivets: Ensure your fabric is not thicker than the rivet size. Simply punch a hole and screw them in. 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 case. This 300-set leathercraft tool and accessory kit includes 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 the above package content is included; other products are not.) 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.