The DCF630 Brushless Drywall Screwgun 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 screwgun 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 DCF630s 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. Replaces DCF620B. (Battery sold Separately)