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1 National patent anti-retraction gasket, extend the life span of the bearing
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2 Lower noise, protect hearing of dentists and patients
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3 The micro motor head with slim body makes the operation more accurate
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4 Touch comfortably, press over 10,500 times no problem
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5 Large LCD panel with less weight
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6 speed ratio 16:1 , Speed 140-550, torque 0.3-3.0.