12V Impact Driver with 2 Batteries The Bosch PS41-2A 12-Volt Max Cordless Lithium-Ion Impact Driver is the most compact professional impact driver out today! The Bosch PS41-2A uses a variable speed trigger to allow for complete control of speed. The Bosch PS41-2A also has a fuel gauge to help indicate when batteries need to be replaced. Features: Most Compact Impact Driver in Class Led Light Ring - 3 LEDs Illuminate Work Area for Use in Dark Areas Produces 930 LBS of Maximum Torque and Delivers 2,600 Rpm/3,100 Rpm Bosch has been in the headlines of state of the art development for over 100 years. From the invention of the jigsaw to their ergonomic designed tools, Bosch as cared about the customer since they started business in 1886.