With this versatile finishing machine, one can go from rough surface sanding and deburring all the wayto mirror polishing with one tool. The linear rotation makes this tool perfect for flat surface. It does a job that an angle grinder’s rotary motion can never do. It works wonderfully smoothing, removing scratches and blending. It makes it easy to create surface effect such as matte, satin and brush finishes. Can create swirl-free high-polish and mirror polish finishes, This is also an ideal tool for maintaining, cleaning and polishing old metal surface.