Festool 491794 Bit for Centrotec 5mm Drill Bit w/Depth Stop is a practical and efficient solution designed to save you money by allowing you to replace just the bit instead of the entire assembly. This bit features the innovative quick-change Centrotec System, which makes switching between drill and screw bits faster and more convenient. The lightweight Centrotec chuck helps reduce user fatigue, while its compact design decreases drilling and driving for better access in tight spaces. Centrotec bits extend directly into the drill spindle, acting as an extension of the motor to significantly enhance controllability and torque, making your drilling tasks smoother and more precise. Model Number: 491794