Angelakerry 200pcs Mix Color Pyramid Studs Rivet Nailhead Spike Square Leather Craft DIY Rock Punk Quantity:50pcs,100pcs,200pcs Size:6mm,7mm,8mm,9mm,10mm,12mm,have Silver,Gold,Copper and Black color for each size Material:Metal,Brand New,Good Quality Great for biker or punk gear, belts, leather jackets and wristbands, dog collars, bike ornaments, etc. Fit standard dies, or are easily set by hand on leather and fabrics: cut small slit, insert prongs and bend over