Hi-Spec 39 Piece SAE & Metric Tap & Die Set. Complete M3 to M12 / #4 to 1/2in Fine & Coarse Tools to Cut, Chase and Thread with Screw Pitch Gauge in a Tray Case

Durable Alloy Steel Construction: Taps and dies made from premium GCr15 alloy steel; built for use against carbon alloy steel, cast iron, aluminium, brass and bronze Versatile SAE & Metric Sizes: Includes 34 taps and dies; covers both fine and coarse threading for a wide range of applications Complete Tap & Die Range: Features 9 plug taps and 8 taper taps; tackle various threading jobs with precision, from M3 to M12 and #4 to 1/2in Accurate Thread Measurement: 16-blade screw pitch gauge included; easily measure thread pitch in both SAE (13 to 40 TPI) and Metric (0.5 to 1.75) Ergonomic Wrench Handles: Includes T-handle tap wrench, tap wrench, and die wrench; designed for secure grip and control during threading tasks