Burnishing polisher is used for tarnishing, burnishing, and polishing stainless steel and nonferrous metals, removing rust, oxide layers, scratches etc. The lock button allows you to lock the speed without holding the switch continuously, thereby reducing fatigue; Spindle lock for quicker and easier burnishing wheel changing. Six-speeds can be changed, different speed, polishing effect is also different. It meets your various polishing needs by switching speed. Professional protective cover with vacuum cleaner interface.