Features: Product Name:Machine Cutting Cap Nuts Model Number:HD-N-407MC Standards:ANSI(IFI),DIN,BS,JIS and per specially design. Grade:4, 6, 8,10,12 Size:M6-M27 Surface treatment:Chrome,Zinc,Black, Red, Blue, Green, Colorful. Packing: 1)Polybag 2)Plastic Box 3)Standard Export Carton We can supply nonstandard nuts as customers' requirements.