Dealglad 100pcs 7mm Flat Head Stud Rivets Spikes DIY Punk Bag Belt Leathercraft Suitable for decoration on your DIY bags, leather bracelets, clothes, shoes, etc. Fully showing your special taste and personality These studs are sheet metal and plated with a Shiny Nickel Plating finish to give them a Rock Look. Cap Diameter: Approx. 7mm Base Diameter: Approx. 3mm