31pcs Tap and Die set 31pcs metricTap and Die Set,material: alloy steel10 Taper Taps: 3x0.5, 4x0.7, 5x0.8, 6x1.0, 8x1.0, 8x1.25, 10x1.0, 10x1.5, 12x1.25, 12x1.7510 Plug Taps: 3x0.5, 4x0.7, 5x0.8, 6x1.0, 8x1.0, 8x1.25, 10x1.0, 10x1.5, 12x1.25, 12x1.75 10 Dies: 3x0.5, 4x0.7, 5x0.8, 6x1.0, 8x1.0, 8x1.25, 10x1.0, 10x1.5, 12x1.25, 12x1.751 Tap & Die wrench:(2 in 1) 31pcs metric Tap and Die Set