Flat sash brush for trim, detail work, and touch ups. Poly blend filament. High filament count for maximum paint pickup and coverage. Chemically tapered filament reduces brush marks. Brass color nickel ferrule nailed to handle. Sanded wooden handle treated to not expand. One coat coverage. For all interior or exterior paints and stains. Width 2-1/2. Thickness 5/8. Length 3.