Owfeel 100pcs Conical Round DIY Metal Studs 4 Prongs Spots Nailheads Spikes for Bag Shoes Clothes Jeans Bracelet Decorative (10mm) Material:Metal Leathercraft DIY silver metal Studs. Work amazingly easy with jackets, denim and leather. Ideal for decorating your bags, belts, leather bracelets, shoes, coats, gloves, etc. Fit standard dies, or are easily set by hand on leather and fabrics.