We're working with a variety of tradesmen to solve endless fastening challenges: IRWIN® HANSON® Taps & Dies are the answer. Whether creating new tools from raw steel or repairing damaged and worn threads, achieving a precise fit is essential. IRWIN Industrial Tools® sets the standard for delivering quality every step of the way in your threading applications. 25-pc set in plastic case includes the following items: Fractional Plug Tap and 1-7/16" Hexagon Dies in sizes: 9/16" - 12 NC, 9/16" - 18 NF, 5/8" - 11 NC, 5/8" - 18 NF, 3/4" - 10 NC, 3/4" - 16 NF Fractional Plug Tap and 1-13/16" Hexagon Dies in sizes: 7/8" - 9 NC, 7/8" - 14 NF, 1" - 8 NC, 1" - 14 NS Pipe Thread Plug Tap and 1-7/16" Hexagon Dies in sizes: 1/4" - 18 NPT Threading Tools: Adj. Die Stock - 1-7/16" Hexagon Dies, Adj. Die Stock - 1-13/16" Hexagon Dies, Adj. Handle Tap Wrench - Taps 1/4" to 1", Empty Plastic Case