Ground Clamp, 1/2″ to 1″, Brass Screw with Protective Armor
https://dev.nsiindustries.com/product/ground-clamp-1-2-to-1-brass-screw-with-protective-armor-3/
Use the Bridgeport 1/2″ to 1″ Brass Screw Protective Ground Clamp to make connections with protective armor of 4, 6, or 8 AWG copper conductor and ground pipe or grounding electrode.