... , Plow anchor ,Wing anchor ,Fluck anchor. 3.buoy anchor,tubing anchors 1..Anchor material:316 stainless steel& galvanizing.2..Anchor style ... ,Danforth anchor, Anchor swivels, Anchor bow rollers.buoy anchor,tubing anchors,casing anchorgalvanized plow anchor Casting: investment casting ,precision casting, lost ... ,metallograph.Quality control: According to ISO 9001 2001 Galvanized Plow Anchors