Controllable speed and high efficiency: The built-in speed controller, easy to use and one-handed operation, provides the best performance while greatly reducing operator fatigue. High-speed and powerful universal sander with an idling speed of up to 9500 rpm. Eccentric arc design: The eccentric arc is 5mm. The double rotary grinding process makes the polishing effect more uniform and smooth. Light weight, low vibration: double action, light weight, low height, precision balanced motor for smooth operation, comfort and control, reducing vibration and providing superior performance. Velcro type sand pad: easy to stick and not easy to falling off, quick and fast replacement of parts. Versatile: Ideal for surface polishing, car wax, furniture, wood, stone, varnish, stains, blemishes, polishing glass, plastic or metal, preparing, sanding, smoothing and finishing wood. Package: 1 * Air Grinder Wheel Diameter: 125mm (5) Idle Speed: 9500rpm Working Pressure: 6-7KG/cm2 Note: Due to the