Gold nylon/sable polyester, chisel trim. Stiff formulation, substantial feel. Round rust-resistant steel ferrule. Walnut-finished wood handle. Made with the finest-quality sable polyester and gold nylon filament, Super/Pro has just the right amount of stiffness and flex for applying all heavy-bodied paints. The durable formulation easily withstands humidity and heat, so Super/Pro is a stellar choice for outdoor work and indoor work, too. You can feel confident knowing Wooster is the name behind your painting tools.