High performance! Achieves the strongest torque in the class and the fastest working speed in the class. High power for drilling large diameter sizes with ease; Improved operability. Double layer molded large clutch dial Compact body with a total length of 8.0 inches (204 mm). Improved workability. Rotational speed feedback control function; Considering the impact of the worker due to high torque. Reactive Force Control Uses a long side handle. High capacity 6.0 Ah battery. ● 2 years from the date of purchase or 1,500 times but before it reaches any first ● Caution About Transportation ● The "18V 6.0Ah Lithium Ion Battery BSL1860 Model" included with this product is a hazardous material due to the amount of power exceeding the United Nations standard amount (100Wh). When transporting this product (batteries included) or single battery by airplane or vessel, special packaging and application may be required. Please inform the transportation company that has more than 100 Wh, and follow the instructions provided by the transportation company. Capacity: Drilling: 0.5 inch (13 mm), Aluminum, 0.5 inch (76 mm), Concrete: 0.6 inch (16 mm). Screw Tightening: Small Screws.