Stem and Swivel Style Photocell | Dusk to Dawn Lighting Control | For Reducing Conduit Entries to a Smaller Size in Threaded Rigid and Imc Conduit Systems | 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 SocketFurbay Electric Supp