80pc Carbon Steel Tap & Die Set (SAE & METRIC) Screw Extractor Remover Kit Thread Professional SAE and Metric Tap and Die Set with Tap Wrench and T-Handle Wrench SAE Taps & Hexagon Die with Thread-Pitch range from 4-40 to 1/2"-20 Metric Taps & Hexagon Die from M3 to M12 with Thread-Pitch from 0.5mm to 1.75mm Includes Both Fine & Coarse Threaded Taps & Dies in Imperial and Metric Sizing Professional Grade Set in Special Fine Carbon Steel For Excellent Strength