The ACDelco ANW301 3/8" SquareDrive Pneumatic Ratchet Wrench is a heavy-duty air tool designed for professional use in garages and workshops. With a maximum torque of 54Nm, this single item wrench features a 3/8" drive size and 1/4" air inlet size, making it compatible with a variety of nuts and bolts. Manufactured by ACDelco, a trusted brand in automotive parts and tools, this pneumatic ratchet wrench is a reliable and durable addition to any toolbox.