At 6.5" in length and 500 in-lbs. of torque, the compact 1/2" drill/driver is the best combination of size and power in its class, while the compact 1/4" hex impact driver has the fastest application speed and delivers 1,600 in-lbs. of torque. Both of them brushless motors optimized specifically for the tool. Includes: M18 compact brushless 1/2" hammer drill/driver, M18 compact brushless 1/4" hex 3-speed impact driver, extended battery pack, CP2.0 battery, multi-voltage charger and contractor bag.