The only impact wrench on the market with a double bit holder: bolting, screwing and drilling with the same tool! Bolting, screwdriving and drilling with the same tool: Equipped with a ¼” hex bit holder for screwdriving and drilling and a ½” square tool holder for bolting. With high torque, high impact rate and high rotation speed, it allows you to complete jobs faster. Durable design with robust gearbox, open-frame motor and battery cell protection ensure a longer lifespan.