It's the perfect impact wrench for use inside the vehicle and engine compartment for jobs on oil pans, seat bolts and body panels. Its jumbo hammer mechanism, steel motor and aluminum clutch housing provide excellent performance and withstand the tough workshop environment. 1 Hand operation behind the trigger 2 positions in reverse; max and lower torque 2 position in forward: max and low torque. This stubby impact wrench is perfect for very restricted areas such as transmission, engine, and interior work.