This short type is convenient for working on bolts in tight spaces. This is an air impact wrench from a long-established Japanese brand. * Overall length (width) = 126 mm * Weight = 1.8 kg * Bolt diameter = 12.7 mm (1/2") * Torque = 680 Nm Twin hammer design for stable torque ◎ Can also be used for changing tires on light vehicles and replacing nails on agricultural machinery.