Product Description The IRWIN HANSON Machine Screw/Fractional/Metric Tap and Hex Die and Drill Bit Deluxe Set contains almost every tap, hex die, and drill bit a craftsman may need for maintenance and auto repair work. This massive set features tools perfectly crafted for hand-threading a variety of materials. Crafted of high carbon steel they provide the accuracy professional craftsmen rely on to get the job done right the first time. From the Manufacturer The Irwin Tools 26377- 117 Piece Machine Screw/Fractional/Metric Tap and Hex Die Set with Drill Bit Set contains 6 machine screw taps and 6 dies, 10 SAE Taps and 10 Dies, 16 Metric Taps and 16 Dies, 2 pipe taps and 2 dies, plus all the tap and die drive tools needed for the included taps and dies. This set also contains a set of high speed steel drill bits for pairing with the included taps. The Taps and Dies are made of High Carbon Steel. The List of 117 Components in the Set are: * Machine Screw - Taps & Dies: 4-40 NC, 6-32 NC, 8-32 NC, 10-24 NC, 10-32 NF and 12-24 NC * Fractional - Taps & Dies: 1/4"-20 NC, 1/4"-28 NF, 5/16"-18 NC, 5/16"-24 NF, 3/8"-16 NC, 3/8"-24 NF, 7/16"-14 NC, 7/16"-20 NF, 1/2"-13 NC and 1/2"-20 NF * Metric - Taps & Dies: 3.0mm-0.50, 4.0mm-0.70, 4.0mm-0.75, 5mm-0.80, 5mm-0.90, 6mm-1.00, 7mm-1.00, 8mm-1.00, 8mm-1.25, 9mm-1.0, 9mm-1.25, 10mm-1.25, 10mm-1.50, 11mm-1.50, 12mm-1.50 and 12mm-1.75 * Pipe - Taps & Dies: 1/8"-27 NPT and 1/8"-28 BSP * Threading Tools & Accessories: (Standard & Metric) Plain Die Stock - 5/8" Dies, Adj. Die Stock - 1" Dies, T-Handle Wrench - Taps No. 0 to 1/4", Adj. T-handle Tap Wrench - No. 0 to 1/2", Two-in-One Tap Wrench - 1/4" to 1/2", 18 Leaf Standard Thread Gauge, 16 Leaf Metric Thread Gauge, Black Screwdriver, 36 Piece Drill Bit Set - HSS 118° Bright and 5 Piece screw Extractor - EX1-EX5