Technical index,
Working Air Pressure, 0.22 to 0.24MPa
No-load Speed moren than 350, 000 r per minute
Noise less than 65dB    
Product description,
RXAD type high-speed Dental handpiece,
Small air turbine-type (mini type);
Cap button assembles and disassembles the machine needles;
Quick coupling; Backsiphonage prevention;
Quick coupling types include 2 holes, 3 holes and 4 holes.
It can be uperized under 135degree.