This pilot point drill bit is made of high speed steel and has a 3/32 inch diameter, one-inch long shank. It is for use with metal, plastic, wood. This jobber length pilot point drill bit has a gold ferrous finish, and has fractional inch measurements. It is non-coolant through with a 2¼ inch length. Plus it has 1¼ inch spiral flutes, a straight shank, and a 135 Degrees split point drill point.