The Snap-on 3/8” Drive Heavy Duty Impact Wrench, No. MG325, is lightweight and compact, assisting work in restricted areas. With the power of a full-size power tool, the impact offers 325 ft/lbs of maximum torque, 10,700 rpm and 1,400 blows per minute when fully charged. According to the company, the twin-hammer impact mechanism provides harder hitting blows with fewer moving parts for durability. Equipped with a one-handed forward/reverse lever, the tool also has a cushioned trigger and grip for greater comfort.