Made in Chian from Careshine Medical Co.，Ltd Straight Nose Cone- Working pressure: 0.3MPa- 0.25MPa (2-hole) (Measure meter is installed at the end of air motor to measure the air pressure).- Revolution: about 22000-27000r/min (adjustable between clockwise or anticlockwise)- Noise: ≤68dB- Air consumption: about 56L/min- Ratio: 1:1- Max speed of contra angle: 25000rpm/min. Warranty:- Long Life-Span- One Year Manufacturer WarrantyPacking List for Straight Nose Cone: - Straight nose cone: 1 each- English manual: 1 each