110PCS tap and die set 110PCS METRIC TAP & DIE SET Product Description110PCS Tap and Die set, Metric or Metric&Inch size, Alloy steel, thread ... tool set 1. Meterial: Alloy steel. Heat treatment, HRC58-63 2. Size: ... -24, 10-32, 12-24, 1/4-20, 1/4-28, 1/4-24, 1/4-32, 5/16-18, 5 ...