Externally/ Internally Threaded Copper Earthing Rods are used where the factor of corrosion is high and long life is required. These Copper Earthing Rods are made from pure and high conductivity hard drawn copper that ensures durability of usage. These Copper Earthing Rods are also available with tin plating to reduce the risk of oxidation and increasing shelf life. Externally/ Internally Threaded Copper Earthing Rods come in different specifications to suit specific requirement.