1)all wheel nuts 2)grade: 8.8/10.9 3)size:M3-M48 4)materialcarbon steel,stainless steel all wheel nutsproduct: wheel nut Material:40Cr, 35 CrMo, 45# Grade:8.8/10.9/12.9 Size:according to your requirement Finish:plain, black, dacromet,phosphate coating, all types wheel nuts / long nuts