Professional Random Orbital Sander Compressed Air, Pneumatic Polisher Heavy Duty Double Action Mini with 9500rpm (1pc, 125mm) Controllable Speed and High Efficiency –– Built-in speed controller, easy to use and one-handed operation, which greatly reduces operator fatigue while providing the best performance, a powerful high-speed universal sander with a no-load speed of 9500rpm. Eccentric Arc Design –– The eccentric arc is 5mm. Double rotary grinding process to make the polishing effect more uniform and smooth. Light Weight and Low Vibration –– Pneumatic Sander Double Action, light weight, low height, balanced motor The precision sanding pad works smoothly and provides comfort and control, reduces vibration and offers excellent performance. Velcro Sanding Pad –– Easy to use stick and not easy to fall off, quick replacement of parts, saving time. Widely Used –– Perfect for surface polishing of hardware, car wax, furniture, wood, stone, paint, stains, defects, glass, plastic or metal