-Irreversible connection with excellent mechanical strength -Fast and simple installation requires only a hammer -No special training required -Low resistance connection -Provides a visual indication of completed connection -Allows for “T” or pass-through connectionsPart Number EHL12FC1V Ground Rod Type Copper-bonded Material Copper Ground Rod Diameter, Nominal 1/2" Ground Rod Diameter, Actual (Ø) 0.5" Conductor Size #4 Stranded - #2 Stranded 25 mm² Stranded Number of Conductors 1 Certifications cULus Qualifoudre Standard Packaging Quantity 25 pc UPC 78285647078 EAN-13 8711893040432