The patent-pending chuck accepts hex wrenches that come with ready-to-assemble furniture. The hex-wrench chuck allows you to drive screws 3 times faster than manual screwdriving. The chuck also accepts standard screwdriving bits for many more applications. An integrated LED provides illumination to poorly lit areas like inside cabinets and under tables. The compact, lightweight design is easy to use provides less fatigue and helps you access smaller surfaces easier.