The 20-volt Max Lithium Dewalt DCST922P1 is a powerful cordless drill/driver that is perfect for a variety of home improvement projects. This drill/driver has a 2-speed gearbox that allows you to choose the right speed for the job at hand, and it also has a 2-position clutch that makes it easy to change gears. The 20-volt Max Lithium Dewalt DCST922P1 also has a 3-position clutch that allows you to use it as a drill, a driver, or a hammer. The 20-volt Max Lithium Dewalt DCST922P1 is a powerful cordless drill/driver that is perfect for a variety of home improvement projects. This drill/driver has a 2-speed gearbox that allows you to choose the right speed for the job at hand, and it also has a 2-position clutch that makes it easy to change gears. The 20-volt Max Lithium Dewalt DCST922P1 also has a 3-position clutch that allows you to use it as a drill, a driver, or a hammer.