-Prefabricated assembly including grounding clamp with pigtail -Fast and simple installation requires only a hammerPart Number EPT1225300 Material Copper Insulation Green and Yellow Insulated Cable Ground Rod Diameter, Nominal 1/2" Length (L) 2.8" Pigtail Length 11.8" Conductor Size 25 mm² Stranded Unit Weight 1.1 lb Certifications Qualifoudre Standard Packaging Quantity 50 pc UPC 78285647691 EAN-13 3479771586100