High speed handpiece 45°. Technical data: - 1 Way spray. - Chuck type: Pus-button/latch. - Noise: ≤ 68dB. Air pressure at the back end of HP: - 0.25-0.28MPA (4hole). - 0.20-0.22MPA(2hole) - Bur applicable: ⌀ 1.59 - ⌀ 1.6 mm x 21-23 mm. - Rotation speed: 300,000 rpm. **For further product information, please contact Chat Support**