Features: With self-priming and recycling function. Environmental protection. It is one of the best-selling models in the market. Low vibration. Stable. RPM: 11000. Suitable for furniture industry. Auto repair. Technical Data : No load speed: approx. 11000 rpm Stick diameter: approx. 125 mm (5 “) Inlet size: approx. 1/4 ” Air pressure: approx. 90PSI Manual Book Overall Length 180 mm Air Consumption 0.3 m3/min