Product name: Triple spray system high speed handpieceModel No.: Lotus 302P-M4 2P2-M4Chuck type: Push button Water spray: Triple water spraySupply air pressure at the back end of HP: 206-231KpaSupply air pressure at the gauge in the dental unit: 277-316KpaRotation speed:300,000-320,000rpmHead hight: 14.46mmHead diameter: Φ12.4mmBur applicable:Φ1.59mm-Φ1.6mm X Φ21mm-23mm (diameter X length)Noise: ≤70dB