The M18 FUEL 1/4 in. Hex Impact Driver is the fastest, most compact and most powerful tool in its class. At only 4.59 in. L, this cordless driver allows users to have more access in tight spaces. The 4-Mode DRIVE CONTROL provides greater control over output speed and power for greater versatility. The self-tapping screw provides faster installation time by reducing stripping of fasteners. The POWERSTATE Brushless Motor delivers up to 30% faster driving speed, increasing users productivity. Built-in REDLINK PLUS Intelligence ensures optimal tool performance and provides overload protection to prevent damage to the tool and battery during heavy-applications while still maintaining compatibility across the entire M18 system. The REDLITHIUM XC5.0 Battery Pack delivers more work per charge and more work over the life of the pack than competitors. in addition to the driver, this kit comes with a belt clip and bit holder. The Milwaukee M18 REDLITHIUM XC5.0 Starter Kit delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics, and performance providing users more work per charge and more work over pack life than any battery on the market.