- Designed specifically for use in microsurgery and ENT surgery, these handpieces are designed to operate with maximum rotational accuracy and minimum vibration at high speed. - NSK Micro-Surgery handpieces help you perform more precise and safer operations. - Direct speed 1:1, maximum speed: 40.000 rev. - For surgical burs (diameter 235). - Screw head, clean head system. - All NSK handpieces are autoclavable up to 135ºC. **For further product information, please contact Chat Support**