Milwaukee 2457-20 M12 Cordless 3/8" Sub-Compact 35 ft-Lbs 250 RPM Ratchet w/ Variable Speed Trigger (Battery Not Included, Power Tool Only) RECESSED FORWARD - BACKWARD SWITCH on the back of the head prevents you from accidental actuations in the middle of an important job LOW PROFILE HEAD DESIGN allows you to work in an engine bay without issue ONBOARD FUEL GAUGE: Lights on the side of the unit will let you know how much power you have left LED LIGHTING on the front of the unit allows you to see your job in dimly lit conditions REDLINK INTELLIGENCE: A smart chip in this unit allows it to communicate with the M12 battery plugged into it. This prevents it from receiving too much power and overheating, saving it from unnecessary damage