The lightweight, well-balanced SFH 144-A delivers reliable power and durability. With CPC Lithium-Ion battery technology, you get the power of most 18-V tools with the weight of many 12-V tools. With 100% all-metal gears, the efficient motor delivers long-lasting power with up to 619 in.-lbs. of torque. The drop-resistant, glass-fiber reinforced casing can withstand even the toughest jobsite conditions. Hilti. 800-879- 8000.