Wooster Silver Tip Flat Sash Varnish & Paint Brush, 2-1/2 in. excellent leveling and smoothing properties with all paints, making it especially i for applying enamels to metal, varnish, or polyurethane on wood, as well as lighter or thinner water-based coatings. The brush features white and silver polyester filament tips that are chemically treated with Wooster's exclusive CT formula to ensure a very soft and feather-like stroke. Its brushed steel ferrule is rust-resistant, while the handle is crafted from durable birch hardwood, providing both comfort and longevity.