The M18 FUEL ¼ in. Hex Impact Driver is the fastest, most compact, and most powerful tool in its class. At only 4.59 in. in length, 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 2.0 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 two M18 REDLITHIUM 2.0Ah battery packs (48-11-1820), one M18/M12 multi-voltage rapid charger (48-59-1812), one durable carrying case, a belt clip and bit holder.