DEWALT 20V DCF630B Max Brushless Drywall Screw Gun is the tool only. Smaller and lighter than previous generation with best-in-class size, weight, and ergonomics.Feaaturing 3 operating modes: 1. PushStart improves runtime and reduces noise on site as motor does not spin until clutch is engaged, 2. Electronic Lock On replaces manual lock on switch and is engaged by pulling the trigger (motor already spinning when clutch is engaged), 3. Regular and Low Speed mode improves performance in light and heavy-gauge substrates. Tool only, battery not included.