40Pcs Metric Tap and Die Set*Manufactured from high quality alloy steel, *Suitable for cleaning and cutting threads in Mild Steel, Aluminium and BrassThe set include the following:*16Pcs metric tap 3?0.5, 3?0.6, 4?0.7, 4?0.75, 5?0.8, 5?0.9, 6?1.0, 6?0