"Hex" solid copper earth rod are made from 99.9% pure electrolytic copper. Solid copper rods offers greater resistance to corrosion. They are ideally used in applications where soil conditions are very aggressive, for eg. soil with high salt content. DIMENSIONROD DIA.LengthPROD. CODE 16x 1200 or 4' 15 mm 1200 mm or 4' HSC 512 16x1500 or 5' 15 mm 1500 mm or 5' HSC 515 20x 1200 or 6' 20 mm 1200 mm or 4' HSC 520 16x1500 or 5' 20 mm 1500 mm or 5' HSC 521