Matco Tools' Infinium 1/2" 18V Impact Wrench, No. MCL18IWVS, features 725 ft./lbs. of breakaway torque for pneumatic performance in a cordless tool, soft-grip handle, one-hand forward/reverse switch, rubber bumper for drop durability, trigger-activated LED, variable-speed trigger, cooling vents for improved performance and 3.0 Ahr lithium battery with more use per charge and a gauge for battery-life feedback.