Bluemoona 10 Set - Brass Studs Screw nail 4 6 8 10 12 15 Chicago Chrome Button 4 Leather Belt Bag 10mmx4mmx10mm Material:Solid Brass/Color: Chrome Shaft Length:10mm(0.39") Size: Head diameter :10mm(0.4",) Shaft Diameter:4mm(0.16")Screw length:7.8mm(0.30") Package Quantity:10 sets Button Stud (Screw & Stud) Use for decorating your bags, belts,handbags, leather bracelets, shoes, Hats, and All kind of art and leather Crafts DIY