Milwaukee® M12 FUEL™ Cordless Hammer Drill/Driver Kit, Bare Tool/Kit: Kit, 1/2 in Chuck, Metal Single Sleeve Ratcheting Lock Chuck, 25500 bpm Blows per Minute, 450/1700 rpm No-Load, 2 Speed, 350 in-lb Torque, 12 VDC, Li-Ion Battery, 4 Ah Battery, Battery Included: Yes, Metal Housing Material, Contoured Soft Grip Handle, Black/Red, Trigger Switch Control, 7-3/4 in L Dimensions

The M12™ FUEL™ 1/2 in 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 comes with a REDLITHIUM™ 2.0 compact battery pack and 4.0 extended capacity battery pack, which deliver more work per charge and more work Over pack life than the competitors, even in extreme conditions.