Check the listing for details. 20 Pcs Brass Ball Head Stud Screw, 8mm Nipple Rivet Button Strap Stopper. Condition: New. Listed at 12.49 USD. Description:[Material] - Made of brass with high hardness, the round head screws are no rust, wear resistance, and corrosion resistance. With a smooth surface that is bright without scratches and dust, and water resistance.[Secure & Reliable Fastening] - Designed to securely fasten leather pieces together, this screw post offers a reliable and sturdy connection. The threaded post and screw head design create a tight and secure fit, preventing loosening or accidental detachment.[Easy to Use] - With their simple design, our brass round screws leather rivets are easy to install and remove. They feature a threaded post and a screw head that can be tightened or loosened with minimal effort, allowing for convenient assembly and disassembly of leather items.