... 1/4"x4" - 2-3/4"x24" Standard turnbuckles 1 Standard: European,US,DIN type ,korean 2.Material:alloy,carbon steel,malleable 1/4"x4" - 2-3 ... /4"x24" Standard turnbuckles1.Rigging--Standard: European type,US type,DIN type ,korean typeCommercial type turnbuckle 2 ... .Material:alloy steel,carbonsteel,malleable 3.Grade:G100,G80,G704.Surface treatment ...