Product name: Fiber optic high speed handpiece with quick couplingModel No.: Lotus 302PBQ-M4 2PBQ2-KSupply air pressure atthe back end of HP: 206-231 KPa(2.1-2.35kgf/cm2)Supply air pressure atthe guage in the dental unit: 241-275 KPa (2.45-2.8kgf/cm2)Water supply: 2kgRotation speed: 300,000-320,000rpmNot rotation part maxium length: 13mmMax diameter: Φ12.5mmChuck type: Push buttom typeBur applicable: Φ1.59mm-Φ1.6mm X 21mm-23mm (diameter X length)Noise: ≤70dBIntensity of light: 25000lxSource of light: Fiber optic