The Bosch PS11B 12V Max 3/8 in. Angle Drill Driver is ergonomically designed for effortless drilling and driving in hard to reach places. 5-Position pivoting head articulates 90 degrees-180 degrees. Better balance and control of the tool for perfect working in tight areas. LED illumination 2 LED lights articulates with chuck and effectively increased visibility in dark areas. 3/8 in. Auto Lock Chuck, simple bit replacements for a variety of applications. Variable speed trigger perfect speed regulation. Motor Brake exact serial screw driving.