-Accepts conductors in both parallel and perpendicular orientations -For use with copper-bonded ground rodsPart Number GUV70185 Article Number 710410 Material Copper Bronze Brass Ground Rod Diameter, Nominal 5/8" – 1" Ground Rod Diameter, Actual (Ø) 14.2 – 23.2 mm Conductor Size #4 Solid - 300 kcmil Stranded 16 mm² Stranded - 185 mm² Stranded Complies With IEC® EN 62561-1 Certifications Qualifoudre Standard Packaging Quantity 5 pc UPC 78285687938 EAN-13 8711893020243