... -24mm 2.Heat treatment: Quenched, tempered 3.Finish: zinc plated turbuckles with hook and eye Product Detail Steel GrademalleableStandardASTM,DIN,GBSizeas the customer's requestPlace ... product description Tensile strength1570,1670,1770,1870,1960MPaOEM or notallowed malleable turbuckles with hook and eye,zinc plated