M12 FUEL 1/2" Hammer Drill/Driver delivers unmatched run time, power under load, and durability. POWERSTATE brushless motor delivers the power to do a wide variety of applications at 1700 rpm and 350 In./Lb. of torque. REDLINK PLUS intelligence ensures optimized performance and protects from overload, overheating, and over-discharge. E-clutch for consistent repeatability in driving applications. 1/2 In. all-metal chuck for maximum grip and bit retention. Contoured soft grip gives ultimate comfort during prolonged use. Includes (1) M12 FUEL 1/2" Hammer Drill/Driver (2504-20), (1) M12 REDLITHIUM 2.0 Compact Battery Pack, (1) M12 REDLITHIUM XC 4.0 Extended Capacity Battery Pack, (1) Charger, belt clip, carrying case. No. 2504-22: Voltage: 12V, Chuck Size: 1/2 In., Chuck Type: Keyless, Battery Type: Lithium-Ion, Ampere Hour: 2.0 Ah, 4.0 Ah, No Load Speed: 0-450/0-1700 rpm, Impacts per Minute: 0-25,500 IPM, Torque: 350 In./Lb., UWO (Unit Watts Out): N/A, Clutch Settings: 18, Batteries Included: Yes, Charger Included: Yes, Case Included: Yes, Weight: 2.3 Lb., Dimensions: 6.6 In. L, Warranty: 5 Year, Pkg Qty: 1