Bluemoona - 100 Sets Double Round Cap 8mm 3/8" Rivet Stud Leather with Tool (Mixed) Size: Cap diameter 8mm(3/8") Color:Nickle, Gun Black, Bronze, Gold, Mixed Tools: 1 Lower Part Base, 1 Female Tool for 8mm Quantity:100Sets with tool Mixed(4 Color Each 25 sets) Use for decorating your fabric, bags, Shirt, shoes, etc.