The M12 FUEL™ 13mm Hammer Drill/Driver delivers unmatched runtime, power under load and durability. This lightweight, versatile hammer drill/driver provides up to 10X longer motor life, 2X more power and 4X more runtime. The POWERSTATE™ Brushless Motor outperforms all leading competitors with constant power output, yet runs cooler and quieter with no wearable components. REDLINK PLUS™ intelligence ensures optimized performance and protects your investment from overload, overheating and over-discharge. It can be used with the M12™ range of REDLITHIUM™ Battery Packs (sold separately), which deliver more work per charge and more work over pack life than the competitors, even in extreme conditions. The M12 FUEL Hammer Drill/Driver’s onboard fuel gauge helps you monitor the charge precisely, so there’s less downtime on the job, and a built-in LED Light illuminates the work surface. An all-metal ratcheting locking chuck provides maximum grip, bit retention and durability. A new contoured soft grip gives you ultimate comfort during prolonged use.