Festool Centrotec Torx Bit 15-100mm 2x - Centrotec Torx bit 15-100 mm, qty. 2. Long shaft Centrotec Torx bits with precision milled shaft and durable Zirconium Nitride (ZrN) coating. Also compatible with standard chuck.Save time changing between drill and screw bits with the quick-change Centrotec System.Reduce fatigue with the lightweight Centrotec chuck and decrease drilling/driving clearance with the compact design. Centrotec bits extend directly into the drill spindle so they serve as an extension of the motor, significantly improving controllability and torque.Zirconium Nitride (ZrN) coating provides excellent erosion resistance, good lubricity and ductility.Precision milled shaft provides zero run-out.