PS21-2A Bosch 12V Max 2-Speed Pocket Driver Kit w/ (2) 2.0Ah Batteries The PS21-2A Bosch 12V Max 2-Speed Pocket Driver Kit w/ (2) 2.0Ah Batteries provides users with the shortest head-length in class at only 5.6 In. , to allow users to drive screws in many hard-to-reach areas straight on. PS21-2A Bosch 12V Max 2-Speed Pocket Driver Kit weighs 1.4 Lbs., but it delivers 265 In.-Lbs. of max torque, making it a great solution for electricians or installers who have overhead driving. With two speeds (0-350 RPM and 0-1,300 RPM) and 20+1 torque settings, PS21-2A Bosch 12V Max 2-Speed Pocket Driver Kit is a driver that can match speed to application.PS21-2A Bosch 12V Max 2-Speed Pocket Driver Kit has an integrated LED light, a 1/4 In. quick-change hex chuck and a forward/reverse button for easy screw removal.