1. Product Features - These screw posts can facilitate binding and disassembly. - One can drill a 5 - millimeter - diameter hole with a drill and then install the two parts from both sides. - Made of carbon steel and brass, they are sturdy and durable with a nickel - plated surface. - They can enhance corrosion resistance and decorative effects. - They are applicable for leather handicraft decoration. - They can be used to decorate documents, books, photo albums, bind books, make scrapbooks and other DIY handicrafts. 2. Friendly Reminder - Different thicknesses of leather may require different sizes of screw posts: - Screws that are 4 millimeters long may be suitable for leather that is 4 - 6 millimeters thick. - Screws that are 6 millimeters long may be suitable for leather that is 6 - 8 millimeters thick. - Screws that are 8 millimeters long may be suitable for leather that is 8 - 10 millimeters thick. - It is advisable to understand the above information before placing an order. 3. Product Parameters - Material: Carbon steel and brass - Color: Silver, gold - Diverse specifications: The diameter of these screw posts is 5 millimeters (3/16 inch), and there are 3 different lengths, namely 4 millimeters (0.16 inch), 6 millimeters (0.24 inch), and 8 millimeters (0.3 inch). - Quantity: 10 pairs per set 4. Precautions - Unit conversion: 1 centimeter = 10 millimeters = 0.39 inch - Due to manual measurement, an error of 0 - 3 centimeters may be allowed. It is recommended to make sure one doesn't mind this before making an offer. - Due to differences between different monitors, the pictures may not accurately reflect the actual color of the item. Thank you for your understanding. 5. Package Contents - 10 pairs of belt buckles.