The M12™ 3/8” Impact Wrench delivers 1,200 in-lbs of torque for the toughest fasteners, up to 20% more than the competition.  The forged steel impact mechanism provides maximum durability.  The compact, lightweight design allows for fastening in the tightest spots.  REDLITHIUM™ Battery Technology outperforms the competition, delivering up to 60% more run time. Additionally, an on-board battery fuel gauge displays remaining run time