Size1/2" square drive, 16mm 12-point socket, 78mm (3") total length.. CR-MO SteelForged with chrome-molybdenum steel provides excellent durability and strength with every impact movement; black phosphate finish for extra protection against rust and corrosion.. DesignRadiused corners prevent fastener wear and increase the torque on fasteners by placing force on fastener's flat sides, rather than fastener corners.. Pin HoleIndividual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion,.. Widely UseFor disassembly and tightening of double hex (12-sided), hex and square head bolts and nuts, especially suitable for requiring large torque and narrow space. The product has no insulation properties and is not suitable for electrical environments..
