Check the listing for details. 4Pcs 10mm Brass Ball Studs Rivets Small D Ring Button Ball Studs, Silver. Condition: New. Listed at 16.36 USD. Description:Made of good hardness brass material, abrasion resistant and rust resistance, sturdy and durable, not easy to fade or corrosion, fine workmanship that can be used for a long time.Unique button ball studs design and classic color, attach with exquisite decorative accessories, add some special feeling to your design, fashion charming that suitable for various style bags, and show your unique taste and personality.360 rotatable ball studs rivets, easy to install just pre-drill with leather punch(Not Included), and then tighten the screws on the base to hold firmly and not easy to fall off.Suitable for all kinds of leather craft, such as purse, handbags, shoes, clothes, wallets, leather bracelets, and other leather craft projects.Specification:Base Diameter: 10mm/0.39"Bottom Diameter: 5mmTotal Size: 23mmx16.8mm/0.91"x0.