- Removal of gutta-percha point and other obturators. - Special-purpose NITI alloy with good resistance and elasticity. - Forward cutting angle, efficient in cutting, excellent flexibility. - Three sizes operate in different parts of the root canal. - Recommended rotary speed of engine files is 150-300RPM. Kit contains: - 30#9 x2. - 25#8 x2. - 20#7 x2. **For further product information, please contact Chat Support**