Wooster Super/Pro brushes offer powerful performance anyplace under the sun. Made with the finest-quality Gold nylon/sable polyester, chisel trim. Stiff formulation, substantial feel. Round rust-resistant steel ferrule. Walnut-finished wood handle. Super/Pro has just the right amount of stiffness and flex for applying all heavy-bodied paints. The durable formulation easily withstands humidityand heat, so Super/Pro is a stellar choice for outdoor work and indoor work, too.