Magnolia Brush Oval Sash Brush w/ Natural Bristle 100% Bristle (natural) set in a metal ferrule on a lacquered wooden handle with hang up hole. Suggested for use with oil based paints, enamel, epoxy, urethane, alkyd oil, varnish, shellac and solvents. Recommended Use: Cleaning parts, home improvement projects, faux finish and cleaning nooks and crevices that wear out a flat brush. Product Details Black bristle OS-2: overall length: 9.5" trim length: 3/4" OS-4: overall length: 9.75" trim length: 1" OS-6: overall length: 10" trim length: 2.125" OS-8: overall length: 10.75" trim length: 2" OS-10: overall length: 12.2" trim length: 2.5" OS-12: overall length: 12.75" trim length: 2.75" OS-2: size 2OS-4: size 4OS-6: size 6OS-8: size 8OS-10: size 10OS-12: size 12