Klutch Tungsten Tap & Die Set - 45-Pc., Metric Heat-treated, rust-resistant tungsten steel Rockwell hardness of 58-61 HRC Satin finish Set includes die handle wrench, die adapter, adjustable tap handle wrench, stubby screwdriver, T-handle tap wrench, 20 adjustable dies and 20 plug taps Metric sizes: 6x.75, 6x1.0, 8x1.0, 8x1.25, 10x1.25, 10x1.5, 12x1.5, 12x1.75, 14x1.5,14x2.0, 16x1.5, 16x2.0, 18x1.5, 18x2.5, 20x1.5, 20x2.5, 22x1.5, 22x2.5, 24x1.5, 24x3.0