Special-purpose nickel-titanium alloy with good resistance and elasticity. - Use for removing gutta-percha and fillings in the root canal. - Recommended speed is 150-300 r/min, torque 2.5N*cm. Pack contains: - D1 9% - 16 mm. - D2 8% - 18 mm. - D3 7% - 22 mm. **For further product information, please contact Chat Support**