Fd Deep Depth 2-Gang Cast Device Box | For Use With Rigid/imc Conduits | For Use With Schedule 40 and 80 Conduit | For Use With Threaded Metal Conduit and Imc | Hex-Key Ends Are Square-Cut for a Secure Full-Depth Fit and Maximum Contact With the Hex Socket to Prevent Slippage and Stripping of the Socket | Lighting Loads/ Branch Circuit Loads | Used With Locknut to Terminate Rigid and Imc Conduit to an Enclosure, Provides a Smooth Pulling SurfaceFurbay Electric Supp