Mighty-Align® EMT Slip Coupling 1-1/2″, Steel, Easy Installation
https://nsiindustries.com/product/mighty-aligna-emt-slip-coupling-1-1-2-steel-easy-installation/
The Bridgeport 1-1/2″ Mighty-Align Steel Slip Coupling ensures a secure connection between two lengths of EMT conduit. The coupling comes with tri-drive set screws to keep both ends of the EMT conduit locked in place.