The 2596-22 M12 FUEL 2-tool Combo kit is the most capable and most compact 12 V drill driver and impact driver Combo kit on the market. Included is the M12 FUEL drill driver (2503-20), the most capable, lightest weight and most compact 12 V drill in the market. At only 6.6 in. and 2.8 lbs of weight it is the best drill to use in compact spaces. It delivers the power to do a wide variety of applications at 1700 RPMs and 350 in-lbs of torque. Also included, the M12 FUEL 1/4 in. hex impact (2553-20), the fastest driving speed, most compact with 4- mode drive control impact driver in the market. At 3,300 RPM the impact drives screws over 20% faster than competitors. At 5.1 in. in length it allows for unmatched access in tight spaces. The 4-mode drive control provides greater control over output speed and power for greater versatility by delivering 0-1, 300 RPM in mode 1, 0-2, 400 RPM in mode 2 and 0-3, 300 RPM in mode 3. Mode 4 is self-tapping screw mode which is designed to reduce walking when starting self-tapping screws as well as reduce overdriving, breaking and stripping out screws.