WAWO 100 pcs Nailheads 100*7mm silver Cone Spikes Screwback Studs Leathercraft DIY Goth Punk Steel Spots Bright Nickel Finish 100pcs Silver Cone Spikes Screwback Studs DIY Craft Cool Rivets Punk.Style: spikes rivets.Material: zinc alloy.Quantity Diameter Height.100pcs 7mm 10mm.