Wooster Brush 4170-2-1/2 Ultra/Pro Soft Lindbeck Angle Sash Paintbrush, 2-1/2-Inch Soft formulation of 100% nylon that produces the smoothest finish and cleans up fast Recommended for use with fast-drying and thin coatings Provides the smoothest finish for mirror-like results Round rust-resistant steel ferrule Sealed maple wood handle