Set of 20 jobber length drill bits includes one each of wire gauge sizes #80 through #61 High-speed steel (HSS) provides hardness for wear resistance Uncoated (bright) finish is an untreated surface that can be used on a range of materials, especially soft metals 118-degree conventional point for a range of drilling applications Jobber length drill bit has a midrange drilling depth suitable for general-purpose drilling applications Made in the USA