My new toy
This thing is (if I have my way) going to punch hex and square holes in aluminium when I get the tool bits made..... if it does not work we will keep it for the Brazil nuts at Christmas 
UK Pedal Steel Guitar Forum
https://www.thebritishsteeliessociety.co.uk/
https://www.thebritishsteeliessociety.co.uk/viewtopic.php?f=25&t=10743