This small upright brush has 0.016" PEEK bristle and a hardwood handle. This handy brush style, also known as the keyboard brush, has a 2 x 6 row pattern, with a 3/4" trim, and a brush face of 7/8" x 3/8". Works well for getting into tight areas.
PEEK (polyetheretherketone) is a high-performance engineering plastic with outstanding resistance to harsh chemicals and heat along with excellent mechanical strength and stability. PEEK bristle has a continuous use temperature of up to 480°F (250°C).