CONDUIT, PIPE, FITTINGS | Control and Motor | For Use to Secure and Terminate Steel Emt to Knockouts and Concrete Tight Box | For Use With Rigid/imc or Emt Conduits | Support and Framing Applications | Use Through Knockout to Connect Box to Conduit Coupling, Use With Locknut to Connect Two Boxes Side by Side | Used With Locknut to Terminate Rigid and Imc Conduit to an Enclosure, Provides a Smooth Pulling Surface