Vermont American 21829 Spiral Flute Screw Extractor and Drill Bit Set, Red, 10-Piece Required drill size is permanently laser-marked on the shank of each extractor for easy reference Includes: One each of spiral screw extractor sizes No. 1 through No. 5 Also includes high speed steel drill bit sizes 5/64-Inch, 7/64-Inch, 5/32-Inch, 1/4-Inch and 17/64-Inch in a plastic case