- For baby endo-treatment. - 16 mm rotary file. - Advance memory alloy materials. - Advance tip process. - Avoiding forming steps. - Sizes: X-B1 #20.04 ,X-B2 #25.04, X-B3 #30.04. - Speed: 250 rpm torque 2N. Pack contains: 3 assorted files. **For further product information , please contact Chat Support**