The Magnolia Brush 12-1/8" Oval Sash Brush (OS-10) is ideal for cleaning parts, home improvement projects, faux finish and cleaning nooks and crevices that wear out a flat brush. This brush is also suggested for use with oil based paints, enamel, epoxy, urethane, alkyd oil, varnish, shellac and solvents. It is made with 100% bristle that is set in a metal ferrule on a lacquered wooden handle with hang up hole.