All above products consists of 50 X 6 mm copper bar All Copper Earth Bars are manufactured from 50 X 6 High Conductivity Bar to BS 2874. Other sizes and combinations of Earth Bars / Disconnecting Links are manufactured as "Special Items" and on request Tape Size mmLength in mmWidth in mmHeight in mmProd. Code Disconnecting Link 125 90 90 HDL 11 Six way earth bar with single disconnecting link 575 90 96 HDL 12 Six way earth bar with twin disconnecting link 650 90 96 HDL 13 Six way earth bar 520 90 90 HDL 14