Pro Solutions Polyester is our project-grade paint brush containing a generous amount of high-capacity tapered and flagged filament that delivers a smooth finish. Ideal for use with all low sheens of interior and exterior latex and oil-based paints, primers, stains, and clear finishes. Available in either flat or angular-sash, with hardwood handle styles including beavertail and standard.Pro Solution™ 24125 Angled Cut Sash Paint Brush, 2-1/2 Inch, Polyester Bristle, Beaver Tail Hard Wood Handle