Check the listing for details. 8 Pcs Brass Chicago Screws 10mm Height Flat Head Screw Binding Rivets. Color: brass, Condition: New. Listed at 14.65 USD. Description:Sturdy Material: Made of brass with high hardness, the flat head Chicago screws are no rust, wear resistance, and corrosion resistance with a smooth surface that is bright without scratches and dust, and water resistance.Easy to Use: Make a hole in the material you need to install rivets, put the screw through the hole you just made, then install the rivet and tighten it with a screwdriver. When you screw the back side to the post, they will stay flush with the surface of the object, which is very easy to operate.Secure Design: Designed to fasten leather pieces together securely, 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.