The 15.50MM BLACK JOBBER DRILL from Field Tool Supply is a right-hand drill bit that combines durability with precision. Featuring a black oxide finish, this drill bit minimizes friction and enhances tool life, making it suitable for drilling in various materials, including metals. With a diameter of 15.50MM, it is versatile enough for a range of applications, from light-duty to heavy-duty tasks. The jobber length design ensures stability and accuracy, making it an essential tool for both professionals and hobbyists in metalworking.