Dental Children handpiece mini head 2LED single water spray ceramic bearing rotor miniature head air Turbine dentist tool Product features: quiet, low vibration force, fast speed Product parameters: Product name: 2LED children's mini handpiece CHUCK Type：push button AIR PRESSURE:0.22-0.28Mpa WATER PRESSURE:0.2-0.25Mpa BUR SIZE:1.595-1600mm ROTATION SPEED:≥390000-450000RPM Connect：2Hole/4Hole Noise:60dB Movement: Class A ceramic bearin Packing： handle*1 key*1

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