High speed: The rotation speed reaches up to 10,000 rpm, to meet different polishing requirements and improve efficiency, easy to operate and long service life.Low noise: low air consumption, low noise, reduces noise and vibration for longer and more enjoyable use of your tool, without damaging your ears or hands.Ideal for indoor use: precision ball bearing construction to reduce vibration and noise. The machine runs stably, quiet and silent, ideal for indoor work.Multiple use: ideal for sanding irons, automobiles, furniture, wood, stone, wood, glass, tiles, metal and other materials; suitable for wire sorting and polishing with different sandpapers.ERGONOMIC AND COMFORTABLE: Compact design and ergonomic handle for more flexibility during sanding tasks with less user fatigue. Vibration control system.Product name: pneumatic grinder.Color: black (random shipping color)Chassis diameter: 5 inches (125 mm)Speed: 10,000 rpmRotor material: metal rotor (sturdy and long life)Working pressure: 6-8 kgAir intake: 1/4 inchProduct Description: Light and flexible, high speed, low vibration and solid, easy to use; suitable for car beauty and other accessories can be polished and waxed.Delivery quantity: 1 piece