The Milwaukee M18 FUEL 1/2 in. Drill Driver is the industry's most powerful brushless battery powered drill, delivering up to 60% more power. Its cordless body is up to 1.5 in. shorter and up to 2 times faster under heavy load than other models. The all-metal ratcheting chuck is the best in class by providing increased bit grip strength and corrosion resistance. The POWERSTATE Brushless Motor was purposely built for the M18 FUEL 1/2 in. Drill Driver to provide Up To 60% more power than competitive sets.