P&N Tap & Die Set Metric Carbon Steel 40 pieces 166044650P&N Tap & Die Sets are available in both metric and imperial configurations. Tools are manufactured from carbon alloy steel which are suitable for general purpose DIY use only. Not suitable for precision, safety or critical threads. Made from Carbon Steel Bright finish for general purpose applications, non ferrous metals & plastics Specifications Die Holder: 1" Tap Wrench: T & Bar Type Tap Wrench Range: M2 x 0. 4, M2. 5 x 0. 45, M3 x 0. 5, M3. 5 x 0.