40pcs Alloy Tap and Die Tools Set Combination Thread Taps

Specification: Material: Alloy Steel (9SiCr), Hardness 60 - 62 degrees Standard: Mertic and UNC Quantity: 40pcs Weight: 1500G Box Size: 307x142mm Packing List: 01--16pcs Metric Tap M3 X 0.5, M3 X 0.6, M4 X 0.7, M4 X 0.75, M5 X 0.8, M5X 0.9, M6 X0.75, M6 X1.0, M7 X 0.75, M7 X 1.0, M8 X 1.0, M8 X 1.25, M10 X 1.25, M10 X 1.5, M12 X 1.5, M12 X