99.9% pure electrolytic copper coating - Molecular bond to nickel-sealed high strength steel core - Rods have a high carbon steel core and tip that provide superior strength when driving - Copper coating will not crack when bent or tear when driven - Minimum copper coating of 10 mils on rods listed to UL® 467 - nVent ERICO name, Length (L), diameter and part number is roll-stamped within 12" (304,8 mm) of chamfered end - UL logo and control number where applicable stamped on each rod for easy inspection after installation. Material - Copper-Bonded Steel Tensile Strength - 552 MPa Min Ground Rod Diameter, Nominal - 3/4" Ground Rod Diameter, Actual (Ø) - 17.3 mm Length (L) - 1.8 m Plating Thickness - 254 µm Unit Weight - 3.4 Kg Complies with - IEC® EN 62561-2 UPC Label - No Standard Packaging Quantity - 5 pcs UPC - 78285630615 EAN-13 - 0782856306153