Adjustable Far-Side Box Support, Back Mount | Datacom and Low Voltage, Electrical | For Use With Schedule 40 and 80 Conduit | 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 SurfaceFurbay Electric Supp