HANDY 18V COMBO KIT: Includes impact driver and drill/driver for power and productivity, two 18v batteries and a battery charger IMPACT DRIVER DESIGN: Features a 1/4 in. hex, an efficient brushless motor and variable-speed trigger EFFICIENT DRILL/DRIVER POWER: Professional-Grade compact drill with brushless motor IMPACT DRIVER CAPACITY: Has a brushless motor that produces a max of 1,800 in.-lbs. of torque and up to 4,000 impacts per minutes (ipm) VARIABLE-SPEED TRIGGER: Allows user to control speed of impact driver COMPACT IMPACT DRIVER DESIGN: Features a head length only 4.9 in., which makes reaching tight spaces easier POWER DENSITY ON DRILL/DRIVER: Delivers up to 400 in.-lbs. of torque from less than 2 lbs. of tool