Proxxon sanding drum with 10 sanding discs. 11/20-Inch diameter by 33/64-Inch high with 7/64-Inch shank drum carrier, 150-Grit. Good for furniture refinishing and multiple sanding and finishing jobs on wood, plastic, leather, non-ferrous metal, steel, welded joints and castings.Ideal for surface and shape sanding, smoothing of surfaces, edges and even inside curves and tough to reach places