Earth clamp for D-16mm Earth Rod

Earth clamp 3/4" Features: Earthing clamp with fixing screw, made of brass. Bolt thread 3/4", hexagonal head hex 14mm. Bolt strength class is 4.8.Function: connecting ground rod to ground cable.Screw type 3/4".For use in grounding and lightning systems.Specifications: Material: brass.Screw type: 3/4".Head: hex 14mm.Bolt grade: 4.8.Inner diameter: 19mm.Size: 50x27x21mm.Weight: 80g.