The new Bosch IDS181-102 18-volt Compact Tough 1/4 in. Hex Impact Driver with 1 Lithium-Ion 1.5 Ah High Capacity Batteries, features an ultra-compact design, while delivering best-in-class application control. Currently if you purchase IDS181-102 you will receive an additional Free Bosch High Capacity 18-Volt Lithium-Ion Slim-Pack Battery (BAT609) (Online Only). Plumbers, electricians, carpenters, HVAC professionals and other tradesmen can take advantage of the tools optimized performance for fast and great results. Tools in the new IDS181 Impact or line feature a compact head length of just 5.4 in. and a lightweight design of just 2.9-lbs. to deliver the best balance and control for 18-volt small- to medium-duty applications. The tools compact size also facilitates work in hard-to-reach spaces. Optimized torque limits stripping and came out of screws and shearing off of screw heads. In fact, the IDS181 line delivers 42 percent more runtime compared to similar in-class competitors, along with 15-Percent less torque and 10-Percent more speed for the best application control.