Description Product Reviews Klein Conduit Locknut Wrench, Fits 1/2”, 3/4” 56999 Product of the year 2016 ECM magazine hand tool category. Product of the year 2016 ECM magazine hand tool category Easily attach locknuts in tight or deep cutin boxes For 1/2” and 3/4” connectors Directdrive heads rotate each other when twisted Heavy duty steel construction enables needed torque to loosen or tighten connectors Perfect for remodel work where box is filled with existing wires 0 Reviews Hide Reviews Product Reviews