A greater efficacy will be experienced as less dentin is being removed. The NiTi metallurgy allows the files to follow the original canal anatomy and safely shape the canal. Specifications : - Heat-treated NiTi. - Improved shapes . - Greater efficacy. - Great resistance to cyclic fatigue. - Triangular cross section file. - Size : F4. - Length : 21 mm. **For further product information, please contact Chat Support**