#65 (.0350")
------------
Use for most holes, including the Atmega32.
Also use for the serial port header "T R G 5"


#58 (.0420")
------------
Use for the 7805 holes, and the switches.


#  (.12"")
----------
Use for the three female power jack terminals.



#44 (.0860")
------------
Use for the 9V battery terminal connectors, if your board has them.


#?  (.050")
-----------
Use for keyboard switches