BRACKET,EXTENSION,STOBIE POLE,460MM'A',E EXTENSION STYLE-WISHBONE, MILD STEEL CHANNEL MATERIAL, GALVANIZED TO AS1650, 3280MM LONG, 460MM WIDE (DIM 'A'), 150X75MM PARALLEL FLANGE CHANNEL, C/W 8 HOLES AT BASE, STOBIE POLE EARTHWIRE, POLE FLANGE MOUNT