- Nickel titanium alloy material, cutting more safe and effective. - Both advantage improve the preparation quality of roots. - Files show and perform with much more product qualifications for better clinical results. - Pack Contains: - x1 SX File. - x1 S1 File. - x1 S2 File. - x1 F1 File. - x1 F2 File. - x1 F3 File. **For further product information, please contact Chat Support**