These general-purpose flush diagonal cutters from Hakko are made from 2.5mm-thick steel. They are rated for use with up to 16 AWG copper wire. We also carry the Hakko TRR-58-G Cutter, which is 3 mm thick and rated for use with up to 10 AWG copper wire.
The diagram below shows the dimensions (in mm) of the Hakko CHP-170 Cutter.
Note: This product is Hakko item number CHP-170.