Long Mag W/Attached Washer Nut (HN-016) Yangzhou Haina Auto Parts Manufacturing Co., Ltd. Base Info Model NO.:HN-016Material:Carbon SteelType:Hexagon HeadStandard:GBGrade:8.8Origin:China Description Pre:Long Mag W/Attached Washer Nut (HN001) Next:Duplex Bulge Acorn Stainless Steel Capped Nut (HN001L-SS)