Dimensions: Head cap diameter is approximately 0.43 inch (11 mm), rivet overall length is approximately 5/8 inch (16 mm), shaft diameter is approximately 5/32 inch (4 mm). Wide applications: Our copper rivets and burrs set is ideal for making or repairing leather products such as belts, handbags, ropes, bags, and leather ornaments, providing convenience for various crafting and repair needs. Corrosion-resistant and durable: Made of copper material, these rivets offer good corrosion resistance and are not easily broken. Includes matching washers for a secure and tight installation. Easy to use: This copper rivet and washer set allows for simple installation without complex tools, saving time and effort while meeting various leatherworking requirements. Color: Copper Material: Copper Package Contents: 50 sets x Copper Rivets Note: The package includes only the items listed above. Other products are not included. Lighting and monitor settings may cause slight variations in color compared to the actual item. Measurement may vary by up to +/- 1-3 cm.