Specifications: - Inner water spray, applicable to E-type micro motor/ air motor. - Max speed: 200,000r/min. - Gear ratio: 1:5 increase. - Noise: ≤70dB. - Bur applicable: Φ1.59-Φ1.60mm. - Sterilization temperature: 135℃. - With led. **For further product information, please contact Chat Support**