For connection of Al conductors according DIN 48201&ACSR conductors according to DIN 48204 with copper tap-off conductors according to DIN 48201. Material: Body: high strength, corrosion-resistant, aluminium 99.5 with hot forged bimetallic sheet . Bolts: steel 8.8, DIN 933, hot-dip galvanized . Nut:Steel 8,Din 934 hot-dip galv . pressed into lower part Conical Washers:Steel,Din6796 corrosion-protected.