BGB Earth rods are made up of high tensive low carbon steel complying with requirement of BS 4360 grade 43A. Each rod is molecularly bonded by 99.99% pure, high conductivity copper. Diameter of the rod ranges from 9.5 mm to 25mm in length varies form 1200 to 3000mm. Earth rods are also made in solid copper and are either internally or externally threaded.