"Irwin (Steel) Tap and Drill Set — 13 Piece, Model# 80187"
"Includes machine screw and fractional sizes of plug style taps: 4–40 NC, 6–32 NC, 8–32 NC, 10–24 NC, 10–32 NF, and 1/4in.–20 NC135° split point high speed steel drill bit sizes No. 43, No. 35, No. 29, No. 25, No. 21, and No. 7TR–1E T–handle tap wrench"