... taps dies set,tap and die set. Metric or Inch sizes. High speed steel or alloy steel. 40pcs taps & dies set,tap and ... die set.Metric ... Screwdriver2) Inch:17 Taps: 4-40, 6-32, 8-32, 10-24, 10-32,12-24, 1/4-20, 1/4-28 ... " O/D1 Screwdriver1 Screw Pinch Gauge 40pcs taps dies set high speed steel or alloy steel