The only impact wrench on the market with a dual bit holder. Bolting, screw driving and drilling with the same tool! Unique Bosch Premium lithium-ion technology for unbeatable battery runtime. Bosch Electronic Cell Protection (ECP): protects the battery against overload, overheating and deep discharge. Versatile and unique: newly developed bit holder, which combines 1/4" hex and 1/2" square, for even more applications. High torque and high speed for fast work progress when screwdriving in metal and wood. Very short design for perfect handling, even in the tightest spaces and overhead. BATTERY & CHARGER SOLD SEPERATELY.