H-W Mini04 High Speed Contra Angle Dental Handpiece Good Cooling Mini Head Germany Bearing

High speed handpiece:1 way spray 5 air spray
Chuck tppe:push button
Noise:≤70dB
Air pressure at the back end of HP:0.25-0.3MPA(4 hole)
Bur spplicable:ø1.59 ～1.6mm X 21～23mm
Rotation speed:≥280,000rpm