Penn-Union Compression Lug, 1-Hole, Copper, 500 MCM, 5/8" Stud Size, Brown

Copper Compression Lug with Sight Hole, Conductor Size: 500 MCM, Conductor Diameter: .815", 1-Hole Stud, Stud Diameter: 5/8". For use with Copper Conductors in Grounding, Bonding & Direct Burial Applications.