Description The FLEX FX1371A-Z 24V 1/4″ Quick Eject Hex Impact Driver with Multi-Mode delivers unrivaled power for the toughest fastening applications. Take control with three speed modes that let you adapt to the application at hand. Work with complete confidence and enhanced capabilities, including self-tapping screw modes that prevent over-tightening and strippage. Switch gears fast with the quick eject collet for easy, one-handed bit changes. The FLEX FX1371A-Z has a built-in LED lighting keeps you on the mark. All this dependability is built on the FLEX Advantage of unmatched battery power, runtime, and fast-charging speed.