Proto J07518T Impact Socket, 3 4 in Drive, 1 1 8 in Socket Size, 12 Point, Std, Black Oxide 01697062 2 and 3 Hour Through 2 and 3 Hour Through Penetration Firestop Systems Jacket Material Wire and Cable Aluminum Wire and Cable Item Metal Clad Armored Cable Trade Designation MC Conductor Design Stranded Packaging Coil Insulation Material Nylon Ballast Lamp Type Metal Halide Ballast Max Studs Non Magnetic No Locking Yes Tether Ready No Socket Shape 12 Point Non Sparking No Tether Status Not Tether Capable Impact Rated Status Impact Rated Includes Locking Locking Included Additional Features: The TorquePlusTM internal design minimizes fastener rounding TorquePlus(TM) Design Allows for Quick and Easy Socket Engagement to Fastener Flats (not corners)