This high-performance jobber length drill bit is made of cobalt and has a 7/16 inch diameter shank. It meets the standards for ASME. This jobber length drill bit has a straw/bronze finish, and has fractional inch measurements. It is non-coolant through with a 5½ inch length. Plus it has two 4 1/16 inch spiral flutes, a straight shank, and a 135 Degrees split point.