Mighty-Align™ "Slip" Style Coupling - Used to join two ends of 3" EMT together. Backing out center screw allows 247-DCSLP to be temporarily located on one cut end while adjacent end is slid into place. -Back out center screw stop as necessary to slip coupling over conduit. -Fully install center screw stop between conduits. -Ensure that both ends of conduit are visible in sight hole. -Tighten all set screws.