The DCF630 Brushless Drywall Screw gun features a brushless motor and electronic mode select to help optimize usage in a range of drywall hanging applications. Four dedicated tool modes enable operation of the screw gun in Trigger Mode (High Speed), Trigger Mode (Low Speed), PushStart Mode, and Lock-On Mode. A top-mounted electronic mode select enables fast, one-handed switching between the tool's four modes. The DCF630's compact size and weight are designed to reduce fatigue during periods of extended usage, while its wide upper grip flange enables secure placement of thumb and forefinger.