Compact design allows you to work in tighter spaces. Keyless chuck allows for easy bit changes. 11-Position clutch helps prevent stripping screws or damage. LED Light built-in illuminates workspace. Lightweight provides less fatigue and easy to move from room to room. 3/8″ Chuck size. 0-650 RPM No load speed. Includes: 20V MAX Battery. Battery Charger. Double Ended Bit. 10-Piece Drill Bit set.