1、These are made from high quality metal, beautiful color, solid construction and really durable 2、Can be used to attach two pieces of leather together and they would work great 3、Ideal for decorating your bags, belts, leather bracelets, shoes, boots, handbags, hats and much more 4、Creative ring design, which is convenient to connect a pendant ,enjoying your diy experience 5、Suitable for kinds of art and leather crafts and clothes making, screw in well and work great with leather straps Description: These stud screws are solid and very durable. They enhance the way the leather pieces are fastened together, and by using them allow leather projects to be adjustable if they need be. Their designed style with rings makes it look unique and give leather work a more professional appearance . Features: These are made from high quality metal, beautiful color, solid construction and really durable. Can be used to attach two pieces of leather together and they would work great. Ideal for decorating your bags, belts, leather bracelets, shoes, boots, handbags, hats and much more. Creative ring design, which is convenient to connect a pendant ,enjoying your diy experience. Suitable for kinds of art and leather crafts and clothes making, screw in well and work great with leather straps. Specifications: Material : brass(round head)  + iron (ring) + iron (screw) Style : as shown Color(Optional): black, bronze Quantity: 20 / bag Rivet diameter: 9mm Pull ring diameter: 10mm Screw base diameter: 7mm Screw thread diameter: 3mm Weight:72g,73g Package Included: 20 x rivet 20 x screws Note: 1. The slotted screw, the crossed screw will be delivered random 2.The quantity error of 1-2 pcs is normal, thanks for understanding.