Unique Bargains 12x7mm Screw Back Rivets Hollow Round Head Leather Studs Black 20 Pack

Rivet Diameter: 12 x 7mm / 0.47" x 0.28"(Base Dia.*H); Screw Thread Size: M3x7mm; Screw Head Dia.: 7mm / 0.28"||Package Included: 20 Sets - 20pcs Rivets + 20pcs Screws||Material: Zinc alloy material, electroplate finished, wear-resistant and corrosion-resistant, durable.||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.||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.