Each trim brushes for painting in the set has fine bristle ends for excellent control when applying and trimming, making it easy to clean and paint corners and edges. Easy to use not easy to shed. Trim paint brush handle is made of plastic material material, easy to control and paint the wall, . Polyester bristles provide excellent coverage and smooth . Each brush is ergonomically designed with a compact rounded edge paint brush that is easy to use and comfortable to hold, so you 't feel hand fatigue after long hours of use. For precise trimming and outstanding finishes, Trim Brush for trim features three brushes in a variety of sizes to meet the needs of a wide range of detailing and finishing jobs. Small paint brush is suitable for most types of paint, including oil, and can be used on , furniture, raised panels, fine molding, etc. Also suitable for cleaning dust from keyboards or corners.