- Gear satio: 1:1 direct drive. - Max speed 40,000 min-1. - Head size: ø9.6 × H 13.4 mm. - For CA burs (Ø2.35). - Body material: stainless. - Water spray: single spray. - Cellular glass optics- clean head system- push button chuck. **For further product information, please contact Chat Support**