- Elephant rotary files represent the best cost vs quality equation. - They are made of heat treated alloy with smart sizes. - Recommended speed 350 rpm. - Recommended torque 2.5 n.cm. - Package: 6 pieces: - One of 20/7 file. - Two of 20/3 file. - Two of 25/4 file. - One of 30/4 file. **For further product information, please contact Chat Support**