The only impact wrench on the market with a dual bit holder: Bolting, screw driving and drilling with the same tool! Bolting, screw driving and drilling with the same tool: Equipped with an ¼” hexagon bit holder for screw driving and drilling and an ½” square tool holder for bolting. High torque, high impact rate and fast rotation speed to get the job done faster. Durable design with robust gearbox, open frame motor and battery cell protection ensuring a longer lifetime.