Check the listing for details. Flat Studs Rivet 20 Sets 10x6.5mm Screw Back Rivets, Silver Tone. Condition: New. Listed at 12.72 USD. Description:1. Material: This spike studs rivet is made of zinc alloy material, electroplating finish, wear-resistant and corrosion-resistant, and durable.2. Application: Screw back stud rivet is suitable for all kinds of leather goods, such as belts, handbags, shoes, clothes, etc. You can use it to DIY the bottom of your leather goods to make your items more durable.3. Installation: You need to open a hole in advance, first press the base screw into the hole, and then use the rivet to align the thread and tighten it to complete the installation.Specifications:Material: Zinc AlloyColor: Silver ToneRivet Diameter: 10 x 6.5mm / 0.39" x 0.47"(Base Dia.*H)Screw Thread Size: M3x6mmScrew Thread Pitch: 0.5mmScrew Head Dia.: 7mm / 0.28"Package Included:20 Sets - 20pcs Spike Stud Rivets + 20pcs Screws.