Irwin Hanson Tools #24612 12 Piece Tap & Die Set, Fractional Hex – Excellent
Fractional Plug Tap and 1″ Hexagon Dies in sizes: 1/4″ – 20 NC, 5/16″ – 18 NC, 3/8″ – 16 NC, 7/16″ – 14 NC, 1/2″ – 13 NC. Offset Adj. Tap Wrench No. 0 to 1/2″.
Fractional Plug Tap and 1″ Hexagon Dies in sizes: 1/4″ – 20 NC, 5/16″ – 18 NC, 3/8″ – 16 NC, 7/16″ – 14 NC, 1/2″ – 13 NC. Offset Adj. Tap Wrench No. 0 to 1/2″.