Milwaukee 2552-20-2555-20-48-11-2412 M12 FUEL 12V Lithium-Ion Brushless Cordless Stubby 1/4 in. and 1/2 in. Impact Wrenches with two 3.0 Ah BatteriesThe M12 FUEL Cordless Brushless 1/4 in. Stubby Impact Wrench is the industries most compact impact wrench on the market place and delivers an industry leading 100 ft.-lbs. of breakaway torque. The M12 FUEL Cordless Brushless 1/2 in. Stubby Impact Wrench delivers an industry leading 250 ft.-lbs. of breakaway torque, removing even the most stubborn bolts and fasteners. 4-Mode Drive Control, will allow unmatched control in various fastening applications. 1-3 RPM allows for precision control, and Auto-Shut Off Mode in the 4th setting will prevent over fastening of bolts while doing reassembly work. Includes two M12 3.0 Ah Batteries.2552-20: greatest access in tight spaces at 5.1 in. L2552-20: 100 ft.-lbs. of breakaway torque4-mode drive controlAuto-shut off mode reduces over fastening and increases productivity48-11-2412: delivers long life and run time with fade-free power48-11-2412: flat-bottom base allows tools to stand upright when battery pack is installed2555-20: greatest access in tight spaces at 4.9 in. L2555-20: 250 ft.-lbs. breakaway torqueCompatible with All M12 power tools, batteries, and chargers5-year tool/3-year battery warrantyKit includes: one 2552-20 M12 FUEL 1/4 in. impact wrench, one 2555-20 M12 FUEL 1/2 in. impact wrench and two M12 12-Volt lithium-ion XC extended capacity 3.0 Ah battery packsDimensionsDrive Size (in.)1/4