Main Features:

1. High quality elastic steel material with long use time.

2. Shank of the7:24 to 7：24

3. The precision little than 0.01mm with balance 8000rpm. Higher precision also can be made by your demand.

4. Holder hardness:48-55HRC

5. The protrusion length is difference from 75mm to 300mm.

6. Suitable Pull Stub & MS Sleeve is also upon request.