The milwaukee m12 cd fuel compact cordless screwdriver has a compact and lightweight design for longer fatigue free use it has a 14 inch chuck allowing quick and easy bit change and a bright led worklight for workspace illumination the tool is primarily designed for screwdriving but can also be used for drilling into wood and metal with specific 14 inch bits the milwaukee m12 fuel power tools are designed to out perform other heavy duty power tools powerstate brushless motor for up to 10 times