Features:<br />- Suitable for cleaning mild steel or aluminium&House decoration，construction，car repair，factory work.<br />- Made from high quality alloy.<br />- Plug Taps are Suitable for cleaning & Re-Threading Mild Steel and Aluminium Materials， This set is not supplied with any taper taps for threading new holes.<br />- Supplied with plastic storage case<br /><br />A set of 12 Pieces:<br />Total hand tap: 5 pieces<br />Total hand die: 5 pieces<br />Tap and Die Size:<br />M6 x 1.0<br />M7 x 1.0<br />M8 x 1.25<br />M10 x 1.50<br />M12 x 1.75<br />1 x Die Holder<br />1x Adjustable Tap Wrench 1/8"- 1/2"(3mm-12mm)<br /><br />A set of 20 Pieces:<br />Total hand tap: 9 pieces<br />Total hand die: 9 pieces<br />Tap and Die Size:<br />M3 x 0.5 <br />M4 x 0.7 <br />M5 x 0.8 <br />M6 x 1.0 <br />M7 x 1.0 <br />M8 x 1.25 <br />M9 x 1.25 <br />M10 x 1.5 <br />M12 x 1.75<br />1 x Die Holder<br />1x Adjustable Tap Wrench 1/8"- 1/2"(3mm-12mm)<br /><br />A set of 40 Pieces:<br />Containing one tap and die in each of thefollowing sizes:<br />Tap: 16pcs(2pcs each type)<br />M3X0.5 M4X0.7 M5X0.8 M6X0.75 M7X0.75 M8X1.0 M10X1.25 M12X1.5<br />Die: 16pcs(2pcs each type)<br />M3X0.6 M40.75 M5X0.9 M6X1.0 M7X1.0 M8X1.25 M10X1.25 M12X1.75<br /><br />1/8 NPT<br />Plus: <br />Long handle adjustable tap wrench1/2(M3-M12)<br />2x "T" Handle tap wrench 1/4<br />1x Die Handle（M25）<br />1x Screw driver<br />1x Screw pitch gauge<br />1x Wrench holder（M25) <br /><br />Packaged included:<br />1 set of Pro Metric Tap and Die Wrench(12/20/40pcs)<br />Supplied with plastic storage case