Retaining ring Material:65Mn spring steel,stainless steel,Brass Finish:Plain,ZP,YZP,Black,HDG,Nickel Size:4mm to 200mm Retaining ring Material: Carbon steel, mild steel, stainless steel,brass,aluminum Finish:Plain,ZP,YZP,Cr3+,Cr3+,Black,HDG,Nickel,ChromeSize:M4-M200 Package: Carton packing or wooden packing OEM/ODM order are welcomeDrawings, samples or other special requirement is avaliable.Our ...