40pc Professional SAE Tap and Die Set with Tap Wrench and T-Handle Wrench Taps & Hexagon Die With Thread-Pitch range from 4-40 to 1/2"-20 Includes Both Fine & Coarse Threaded Taps & Dies in Imperial Sizing Professional Grade Set in Special Fine Carbon Steel For Excellent Strength Includes: Adjustable & T-Handle Tap Wrenches, Adjustable Die Wrench 17 Taps: 4-40, 6-32, 8-32, 10-32, 10-24, 12-24,1/4"-20, 1/4"-28, 5/16"-18, 5/16-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 1/8" NPT 27. 17 Dies: 4-40, 6-32, 8-32, 10-32, 10-24, 12-24,1/4"-20, 1/4"-28, 5/16"-18, 5/16-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 1/8" NPT 27. Packing included: 1x Adjustable Tap Wrench (1/8" NPT-27) 1x T-Handle Wrench 1x Die Handle 1x Screwdriver 1x Screw Pitch Gauge 34x Taps and Dies SAE Thread Sizes: 4 x 40, 6 x 32, 8 x 32, 10 x 32, 10 x 24, 12 x 24, 1/4" x 20, 1/4" x 28, 5/16" x 18, 5/16" x 24, 3/8" x 16, 3/8" x 24, 7/16" x 14, 7/16" x 20, 1/2" x 13, 1/2" x 20, 1/8" NPT-27 1x Carrying case