Pricing mentioned is for a SET. Requires a minimum buy of 1 SET. 24-pc Fractional Tap & Hex Die Set; Hazmat=False; Features=IRWIN Industrial Tools sets the Standard for delivering quality every step of the way in your threading applications;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; StandardPack=10SET/MCS; CountryOfOrigin=US; Includes=1/2 in - 13 NC, 1/2 in - 20 NF Pipe Thread Plug Tap and 1 in Hexagon Dies in Sizes: 1/8 in - 27 NPT Threading Tools: Plain Die Stock - 1 in Dies, 1/4 in - 28 NF, 24-pc set in plastic case includes the following items: Fractional Plug Tap and 1 in Hexagon Dies in Sizes: 1/4 in - 20 NC, 3/8 in - 16 NC, 3/8 in - 24 NF, 5/16 in - 18 NC, 5/16 in - 24 NF, 7/16 in - 14 NC, 7/16 in - 20 NF, Offset Adj. Tap Wrench Number 0 to 1/2 in; Material=Carbon Steel;