Trimming Shop X 8mm Tubular Rivets For Leather And Canvas Crafts - Decorative Metal Studs For Jeans, Bags, Dog Collars And Belts - Sturdy Fastener For Sewing And Clothing Repair 500 Gold TOP CAP HEAD SIZE: 8mm LENGTH FROM TOP TO BOTTOM: 9mm HOLLOW SHANK SIZE: 4mm VERSATILE DECORATION: Can be used to add embellishments to leather crafts, bags, clothing and more. COLOUR: Gold