Angelakerry 50pcs Copper Rivet Cone Spikes Spots Screw Studs Punk Leather Rock Back Craft DIY Bullet Material: Zinc Alloy Metal (Lead And Nickel Free) Shape: Round Cone Bullet Spike, Screw Type:Slotted. Size:1211mm Cone Bullet Spike Studs Are Suitable for All kind of art and leather Crafts And Clothes making Quantity: 10pcs/Pack; 20pcs/Pack and 50pcs/Pack