1. Good conductivity; 2. Enough thick of copper thinkness; 3. Strong anti-corrosive; 4. Long using life; 5. Lowest ... molecular form.Features & advantage Our ground rods have thick copper layer, the averaged thickness is more than 0.25mm; ... is 1.5m, 18m, 2.43m, 2.5m, 3.0m and 3.05m, the diameter is 12mm, 14.2mm, 16mm, ... can be custermized as per customer's requirement. Copper clad steel Ground Electrode