The Wooster 3" Pro Classic Black China Bristle Angle Sash Brush is a favorite among painters and decorators. It is well-known for its high-quality structure and superior painting performance. The "angle sash" design is specifically designed to help you paint corners and edges with precision, and the black China bristle substance provides good paint collection and smooth application. Wooster is a recognized brand in the painting industry, so you can rely on their products to deliver professional results.