Our rivets and studs are made of copper, rustproof and durable, not easy to bend, deform or fade, strong and sturdy. The surface is smooth and won't scratch your hands. Our tubular rivets are ideal for repairing broken belts, leather crafts, DIY clothing, leather boots, bags, jeans, hats, jackets, pet collars, and adding ornaments. Double cap rivets come in 3 sizes: 6x6mm, 8x8mm, 8x12mm, and 3 colors: Gold, Silver, Bronze, catering to various needs. Studs for clothing: ensure your fabric is not thicker than the rivet size. Simply punch a hole and screw on. It's easy to add your favorite rivet elements to your projects. The box is compact and portable, with all rivets neatly stored in a transparent case. 300-piece leather working set includes 4 tools: 1 punch, 1 rivet installer, 1 tool, 1 punching plier. Color: Gold + Silver + Bronze Material: Iron Package Contents: 1 x Rivet press Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item to vary slightly from the real thing. Measurement allowance is +/- 1-3cm.