CRAFTMEMORE Solid Brass Ball Head Stud Screw Back Nipple Rivet Studs Button Strap Stopper Leathercraft 10 Pack SCBH is the perfect choice for your leathercraft projects. This pack of 10 studs features a solid brass construction with a brushed brass finish. The sizes indicate the top head diameter and the average height is 9 mm. These studs are perfect for adding a unique touch to your leathercraft projects. Get the perfect look with CRAFTMEmore's Storefront on Amazon for more designer rivets and leather craft accessories.