The COMB DRL&CTSK HS JIG 1/2 5PC set from Field Tool Supply includes five high-speed steel jigs designed for drilling and countersinking. Each jig features a 1/2-inch diameter, ensuring precision and efficiency in various applications. Made from premium high-speed steel, these jigs provide excellent durability and cutting performance. Ideal for woodworking and metalworking, they are compatible with standard drill presses and hand drills. This set is perfect for professionals and hobbyists looking to enhance their drilling capabilities.