This 3M 9413NA Scotch-Brite™ paint and varnish remover disc contour surface brought to you by 3M helps remove paint and varnish from contoured surfaces on wood, metal, and plastic-carded with ease. It can be mounted directly on to power drills by simply inserting the mandrel into a drill chuck. Comes with a 1/4" shaft which fits all-electric drills and its 1/2" width make it easy to be used in curves and contours.