The Matco Tools20V+ Cordless Infinium 3/8" Brushless Impact Wrench Kit, No. MCL2038HIK, features a patented impact mechanism that reduces vibration. Its compact design measures 6.5" in overall length and its brushless motor technology provides 600 ft-lbs of breakaway torque. The impact wrench has four LEDs to illuminate the entire work area clearly and to light the way in poorly lit shop environments or engine compartments. In addition, the composite glass filled nylon housing is durable against drops and resistant to shop chemicals while the soft rubber over molded handle provides a comfortable and confident grip.