This jobber length drill bit is made of high speed steel and has a 9/64 inch diameter shank. It is designed for use with composite. This jobber length drill bit has a TiN finish, and has fractional inch measurements. It is non-coolant through with a 2⅞ inch length. Plus it has 1¾ inch spiral flutes, a straight shank, and a 135 Degrees split point drill point.