Features: Compact structure, light weight and portable, easy to carry and easy to operate. Adopt brush motor, quick-start, timely braking, smoothly speed regulation in a wide range, relatively simple control the circuit and so on. High-power motor, higher grinding and polishing efficiency, low noise, with fine durability and provides long service time. 125mm diameter round sanding machine, self-adhesive tray at the bottom for easy replacement of sandpaper(sandpaper is not included). 3 gears of speeds adjustable, 11000rpm high speed for regular sanding, 9500rpm middle speed for finish-sanding, 7000rpm low speed for polishing, you can adjust according to your demands easily. Dust-sealed switch and bearing designed for longer tool service time. Comes with dust bag, so that the debris generated during grinding or polishing will be free from splashing and more safer. Efficient through-the-pad dust collection system for a cleaner work environment. Multifunctional, wood grinding, car polishing, metal rust removal, furniture polishing, paint polishing and etc.. Wide applications, suitable for auto repairing factory, wood furniture factory, iron factory, construction site, home decoration and etc..