Used by vehicle technicians, 3/8 in. Model MG31 aids in removing lug nuts, loosening tie rod ends, and securing other fasteners. Balanced design includes slim nose, cushioned trigger, anvil stop lock, and metal reverse and power controls. Internal twin hammer mechanism delivers 300 lb-ft torque at impact. Weighing 2.9 lb, wrench is powered by low-vibration, reverse bias motor with 8-vane rotor.