Material: SGS Certified #65 Lead-free Copper Color: 2 Colors available, Brass, Copper, show as picture Size: 6 size available,(Cap diameter * Shank Length* Shank diameter) 9x14x3.3mm, 9x19x3.3mm, 10x14x3.3mm, 10x19x3.3mm, 12x14x4mm, 12x19x4mm Features 1. Corrosion-resistant & Durable---Our product are made of red copper material makes the copper rivets and burrs feature corrosion resistance and not easy to break. 2. Heavy duty and rustproof--The rivets are heavy duty and rustproof. They are...