Features: - Type: dental instruments dental rotary endo files endodontic files for endo motor. - Operation type: Engine use. - Made of high-quality NiTi alloy, good flexibility and super elasticity - Varied taper design more simpler and safer, with high-quality cutting efficiency. - Heat activation with special processing technology, excellent fracture resistance, and fatigue life were significantly enhanced. - The recommended rotary speed of engine files is 250~400RPM. - Size: F3. - Length: 25 mm. - Color: Gold. **For further product information, please contact Chat Support**