... ,DIN type ,korean 2.Material:alloy,carbon steel,malleable 1/4"x4" - 2-3/4"x24" Standard turnbuckles1.Rigging--Standard: European type,US ... steel,carbonsteel,malleable 3.Grade:G100,G80,G704.Surface treatment:color painted, self-colored,polished,hot dipped galvanized,electrogalvanized5.specifications:6mm ...