Insulated EMT Compression Connector 2″, Zinc Plated Steel
https://hotfix.nsiindustries.com/product/insulated-emt-compression-connector-2-zinc-plated-steel/
Use Bridgeport screw-on EMT compression connectors to join electrical metallic tubing to an electrical box or enclosure for a concrete-tight seal. An insulated throat protects inner wiring from abrasion and is rated up to 105°C.