TOOGOO(R) 100pcs Pyramid Studs Spots Punk Spikes for DIY Craft Leathercraft - Black Cool and fashion sheet metal studs Easily attaches to material with 4 prongs to hold securely Ideal for decorating your leather goods, handbags, shoes, etc Size (L x W x H): Approx. 9 x 9 x 7mm Material: Steel