Professional 22000rpm 1/4 inch best air die grinder 194022

best air die grinder description:
Collet size: 6mm or 1/4“
Free speed: 22000rpm
Weight: 600g
Air inlet: 1/4"BSP
Air consumption: 4cfm

best air die grinder features:
1.Large torque.
2.Low noise, low vibration and long service life.
3.Suitable for precision grinding and sanding.
4.Large horsepower.