The DP4002 has a  variable speed (0-600 rpm) motor for drilling into a wide variety of materials. The retractable belt clip allows operation in tight areas and the lightweight cast-aluminum gear housing is very durable. Its reversing switch is conveniently located above the trigger, the side handle rotates 360 degrees, and the ergonomically designed rubber grips give positive control. This double-insulated drill also features an all ball and needle bearing construction for longer tool life. Easily accessible brushes mean quicker maintenance. Your purchase includes a drill chuck and chuck key.