Good Material The leather rivets are made of sturdy and durable copper ot easy to fade or rust. Good for repairing broken belt and decorating your crafts. Double Caps Rivets Kit Both sides of rivets have a cap, which make positive usage and appearance, and better than single cap rivets. Fixing Tool Kit The rivets can make a hole on the leather craft or clothing, then hammer it to push the rivets together on the base. Different Sizes and Colors: Come with 420 sets double cap rivets in 4 different colors and 3 different sizes. Colors include gold, silver, black and bronze, sizes include small, medium and large, which can cater to your different needs in daily life. Specification: Material: sturdy and durable copper Color: silver, bronze, black and gold 3 Sizes: - Small Size: cap: 6 mm (1/ 4 inch), post: 6 mm (1/ 4 inch), base: 6 mm (1/ 4 inch) - Medium Size: cap: 8 mm (5/ 16 inch), post: 8 mm (5/ 16 inch), base: 8 mm (5/ 16 inch) - Large Size: cap: 8 mm (5/ 16 inch), post: 12 mm (1/ 2 inch), base: 8 mm (5/ 16 inch) Each set of rivet includes 2 parts: a cap and a stud Package Includes: 420 Sets Leather Rivets 3 x Fixing tools Please Attention : Small items, please keep them away from children to avoid choking by mistakes.