This jobber length drill bit is made of cobalt and has a ⅜ inch diameter shank. It is not rated for any standards. This jobber length drill bit has a straw/bronze finish, and has fractional inch measurements. It is non-coolant through and has a 143 Degrees drill bit point, with a five-inch length. Plus it has 3⅝ inch spiral flutes, a straight shank, and 143 Degrees split point drill point.