Sash brushes are used for applying oil-based paints, stains, enamels and other solvents. They are commonly used on window mullions, machinery, pipes and other narrow areas.
Angled bristles are cut on an angle and used for edging, reaching into corners and applying finer finishes.
Polyester and natural blends provide the stiffness of polyester and durability of natural fibers. They are used for applying most paints and finishes.