Do it Acid Flush Brush, 5-Pack is a reliable and versatile brush designed for applying acid, dope, flux, and adhesives with precision. Each brush features tinplate metal handles and measures 5-1/4 inches long, making them comfortable to use for detailed work. The pure, stiff black natural horsehair bristles provide excellent control and durability, i for hobbyists and professionals alike. This pack includes five brushes conveniently packaged in a bag, ensuring you have plenty on hand for your projects. Model Number: 092313