Festool 490474 Pozidrive Bit 4-25mm HiQ, 3-Pack Zirconium Nitride (ZrN) coating provides excellent erosion resistance Getting the job done right the first time eliminates waste of material and fasteners and saves valuable time Can be used in conjuction with Centrotec bit holder to save time changing between drill and screw bits with the quick-change Centrotec System Can be used with standard bit holders and chucks Made in Germany