General description Our rivets and studs are made of nickel-free copper, making them rustproof and resistant to bending, deformation, and fading. They are strong and sturdy, with a smooth surface that won't scratch your hands. These tubular rivets are ideal for repairing broken belts, leather crafts, DIY clothing, shoes, leather boots, bags, jeans, hats, jackets, and pet collars, as well as for adding decorative elements. Technical specifications Material: Nickel-free copper Sizes: 6x6mm, 8x8mm, 8x12mm Colors: Gold, Silver, Green Bronze Package Contents: 300 sets of rivets and 4 fixing tools (1 punch, 1 rivet installer, 1 base, 1 punching pliers) Measurement allowed error: +/- 1-3cm Installation Installation is straightforward: simply punch a hole in your material and screw on the rivet. Ensure that your fabric is not thicker than the rivet size for proper fitting. Usage These rivets can be used for a variety of applications, including repairing leather items, crafting DIY clothing,