The #1 Black Jobber Drill from Field Tool Supply is a right-hand twist drill made from high-speed steel (HSS) with a black oxide finish for enhanced durability and corrosion resistance. This drill bit is designed for precision drilling in a variety of materials, including metal and wood. With a diameter of 0.228", it is perfect for creating holes for screws and fasteners. The jobber length provides a good balance between length and strength, making it suitable for both hand-held and machine drilling applications. This drill meets industry standards for quality and performance, ensuring reliable results every time.