Check the listing for details. 10x12mm Flat Studs Rivet Binding Rivets Screw Back Rivets DIY 15 Sets. Condition: New. Listed at 13.28 USD. Description:1. Material: This spike studs rivet is made of brass material, 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: BrassColor: Brass ToneRivet Diameter: 10 x 12mm / 0.39" x 0.47"(Base Dia.*H)Screw Thread Size: M3x5mmScrew Thread Pitch: 0.5mmScrew Head Dia.: 10mm / 0.39"Package Included:15 Sets - 15pcs Spike Stud Rivets + 15pcs Screws.