Long Mag W/Attached Washer Nut (HN001) Yangzhou Haina Auto Parts Manufacturing Co., Ltd. Base Info Model NO.:HN001Material:Carbon SteelType:Hexagon HeadStandard:GBGrade:8.8Origin:China Description Pre:2PC Bulge Acorn Nut (873502) Next:Long Mag W/Attached Washer Nut (HN-016)