Iron Keychain Set Double Loop Round Keychains DIY White K : Keychain set: includes 200x4mm rings, 200x5mm rings, 150x6mm rings, 60x8mm rings, 40x10mm rings, 40x12mm rings, enough to use Material: These double jump rings are made of high quality iron material, with nickel plated, rust and oxidation resistant, hard and durable Split rings: this split ring set is general and simple, shiny and shiny, can match objects in different colors Application: suitable for connecting , small keys, clips or small elements from delicate necklaces, bracelets, rings Do: Use small link making tools to create different styles of jewelry and gift this DIY jewelry to your friends and family to make happy Specification: Material: Iron sizes: 4mm/0.16 inch 5mm/0.20inch 6mm/0.24 inch 8mm/0.31 inch 10mm/0.39 inch 12mm/0.47 inch contains: 1 box for keychains