- TF Adaptive NiTi File System. - TF Adaptive features Adaptive Motion Technology, which uses a patented feedback algorithm to change the motion of the file based on the applied load. As the stress increases or decreases, the motor responds accordingly, giving you the benefits of both rotary and reciprocation at exactly the right moment. - TF Adaptive files offer improved file durability, flexibility and better debris removal. The intuitive color-coded system is designed for efficiency and ease of use. **For further product information , please contact Chat Support**