Features One-piece design, without burrs, also has a glossy finish, with a diameter of 10mm. Using alloy steel material, the surface is coated with anti-corrosion paint, which is durable and can significantly increase the service life. Easy installation, no complicated steps required, easy to replace old or broken ones. High strength, bending resistance, not easy to damage, making it durable and firm. Built to strict quality control standards, design enhanced for high quality and great performance. Function: 1. One-piece design, without burrs, also has a glossy finish, with a diameter of 10mm. 2. Using alloy steel material, the surface is coated with anti-rust paint, which is durable and can significantly increase the service life. 3. Easy installation, no complicated steps required, easy to replace old or broken. 4. High strength, bending resistance, not easy to damage, making it durable and steady. 5. Built to strict quality control standards, improved design for high quality and great performance. Specification: Item Type:Rivet Nut Head Material: Alloy Steel Colour: Black Diameter:About 10mm/0.4" Package List: 1 x Rivet Nut Gun Head Kit Package List 1 x Rivet Nut Gun Head Kit