The Festool T +3 Cordless Drill Sets include:

1. Drill and Battery
2. Battery Charger
3. Extra Battery
4. Centrotec Starter Set
5. Keyless Chuck (Jacobs Style)
6. Right-Angle Chuck
7. Eccentric Chuck

Everything comes in a special Systainer...

This reference contains sections that cover the use of:

• The Centrotec Chuck
• The Right Angle and Eccentric Chucks
• The Depth-Stop Chuck

Festool Cordless Drills accomodate the use of no chuck. Just put 1/4" hex bits directly into the output shaft to "shorten the stack" as in the image below: