Bridgeport SGBTL38840 3 IN Tl Splt Gnd Bsh6-250Mcm, Box of 25
https://nsiindustries.com/product/bridgeport-sgbtl38840-3-in-tl-splt-gnd-bsh6-250mcm-box-of-25/
Use the Bridgeport 3″ Mighty-Rite Zinc Die Cast Threadless Insulated Split Grounding Bushing with Aluminum Lug to install bushings to 3″ EMT or threadless GRC conduits before or after conductor pull-through.