Fsc Shallow Depth 2-Gang Cast Device Box | 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 | Installed Over Areas in Wooden Structures Where Cables Are Runt to Protect Cable Insulation From DamageFurbay Electric Supp