Intersystem Bonding Bridge, 1/2″, Brass to Bond Conductors
https://dev.nsiindustries.com/product/intersystem-bonding-bridge-1-2-brass-to-bond-conductors/
Use the Bridgeport 1/2″ Brass Intersystem Bonding Bridge to bond one continuous length of grounding conductor to an enclosure through a 1/2″ knockout inside or outside of an enclosure or panelboard and provides 3-equipment bonding terminations.