The Wooster Ultra/Pro Lindbeck 3" Extra-Firm Paint Brush has the innovative extra-firm formulation of purple NylonPlus™ and purple and black nylon carries more paint to the wall, cleans up fast when done. Stainless steel ferrule. Sealed maple wood handle. Made in the USA.
1) All thick coatings like exterior paints or oil based stains and finishes
2) Hot or humid conditions
3) Whenever a painter wants a high-production, extra-firm brush.