Original
End cap is made of the high strength steel # 45 and produced by special quenching process. As the head of the ground rods, driving head directly exposed to strike and protect the rods.
http://www.chinagroundrod.com
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Company Details
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End cap is made of the high strength steel # 45 and produced by special quenching process. As the head of the ground rods, driving head directly exposed to strike and protect the rods.
http://www.chinagroundrod.com
