Sleeve Coupler (FJ-A025) Rizhao Forging Co., Ltd. Base Info Model NO.:FJ-A025Size:48.3mmSurfacing:GalvanizePrinciple:En74 Bs1139Trademark:Rizhao ForgingSpecification:EN74,BS1139Origin:Rizhao City Shandong Province China Description Pre:Grub Screws Next:Swivel Girder Coupler (FJ-A030)