FASTENERS & TOOLS | Explosion Proof, Dust Ignition Proof; One Hub; for Use With Threaded Metal Conduit; for Use in Wet Locations | Knurled Jaws for Sure Wrapping and Looping | Ratcheting Mechanism | 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