Slotted Screw-Holding Screwdrivers | Positive Gripping Action Holds, Starts and Drives Slotted Screws in Awkward, Hard to Reach Places | Suitable for Use With All Forms of Equipment Protection Permitted in Zone 1, Zone 2, Zone 21 and Zone 22 Provided Always That the Prevailing Code of Practice for Selection and Installation Is Observed | Used to Join Two Externally Threaded Parts of Equal Thread Diameter and Pitch, Often Two Pieces of Threaded RodFurbay Electric Supp