Detailed Product Description 1. Includes: comes with a standard 6 bits and drills, and bit adaptor. a) Philips power bits: 4.4mm, 6mm ; b) Square recess bits: 2.35mm, 2.9mm ; c) Slotted bits: 4.4mm, 6mm; d) Drill bits size: 4.2mm, 3.2mm; 2. Holds a variety of other bits and drills using the bit adaptor.3. Torque ring with 10+1 settings .4. Warranty: 1-year.