This set includes two single point diamond dressers from Jones & Lansom, designed to be used for precision dressing of grinding wheels. With a point size of 0.017 inches and a 50-degree angle, these dressers are perfect for achieving accurate profiles and finishes on your workpieces. The shank measures 5/16 inches in diameter and 1-1/4 inches in length, ensuring compatibility with a wide range of machines and applications. Jones and Lamson Single Point Diamond Dressers. This listing is for two (2) dressers. Max Radius: 0.0170.