Bosch PS41-2A 12-Volt Max Lithium Ion Impact Driver: * Impact driver * 50 percent lighter than 18-volt impact driver at 2.2-pounds * 3 LEDs illuminate work area for use in dark areas * 85 percent more torque than 18-volt drill driver 930" to-pounds of max torque * 18 percent smaller than the previous generation 12-volt max impact driver * 14 percent more max torque than previous generation 12-volt max impact driver * Shortest-thread length in class at 5.4" high * Highest speed in class at 2600 r/min * Fuel-gauge * Easy battery management LED light right