Perfectly bonded Copper Bonded Grounding Rod is long lasting, drive easier and will not crack. In Copper Bonded Rod Copper Coating should comes in the range of 100,180 & 250 Microns respectively. In Copper Bonded Grounding Rod Clad, Copper purity is 99.95%. The Copper Bonded Grounding Rod is fuly covered with copper cladding without any cracks,holes, cavities etc.