FASTENERS & TOOLS | Explosion Proof, Dust Ignition Proof; Two Hub, One Plug; for Use With Threaded Metal Conduit; for Use in Wet Locations | One-Step Installation Process Reduces Installtion Time and Cost | Reduce Time on Projects With Large Quantities of Conduit Runs | Rotating Cap for Optimum and Precise Control | Split Point Pilot Drill Bit Prevents Bit Walking