- The low speed straight handpiece has the additional water spraying function which can reduce the dust caused by grinding during operation, thus protecting the doctors and patients from being hurt by the dust. - The jitter frequency of the handpiece is quite small. - The testing results shows that the radial run-out is less than 0.03mm which is more suitable for various fine operation. - This handpiece can be more convenient. **For further product information, please contact Chat Support**