Manufactured from high quality C45 carbon steel, <br>Suitable for cleaning and cutting threads in Mild Steel, Aluminium and Brass<br>The set include the following:<br>16Pcs metric tap 3×0.5, 3×0.6, 4×0.7, 4×0.75, 5×0.8, 5×0.9, 6×1.0, 6×0.75, 7×0.75, 7×1, 8×1.25, 8×1.0, 10×1.25, 10×1.5, 12×1.75, 12×1.5 <br>16Pc Dies: same size as taps<br>1Pc NPT Tap: 1/8-27 <br>1Pc Tap Wrench<br>1Pc Tap Holder<br>1Pc T Type Tap Wrench(M3-M6)<br>1Pc Die Holder(M25)<br>1Pc Screwdriver<br>1Pc Screw-pitch Gauge<br>