The new Bosch IDS181-01 18-volt Compact Tough 1/4-in. Hex Impact Driver with 2 Lithium-Ion 3.0-Ah High Capacity Batteries, features an ultra-compact design, while delivering best-in-class application control. Currently if you purchase IDS181-01 you will receive an additional Free Bosch High Capacity 18-Volt Lithium-Ion Fat Pack Battery (BAT619G) (Online Only). Tools in the new IDS181 Impactor 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 impact performance provides the best runtime and control, and optimized torque limits stripping and cam 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. A Bosch patented, three-LED white light system provides shadow-free illumination for the best visibility in low-lighting applications. Superior ergonomics are provided via slim soft grip in key areas for maximum comfort and control during fastening applications. A compact grip design of just 2.3-in. from the tools trigger to the back of the handle relieves hand fatigue over extended use. The Bosch-built hammer and anvil system provides maximum impact endurance and increasing tool life.