Mesaflyer,
Those are good switches and a very good price.
When I was using them they were around $16.
I went to the standard switch with charge plug and replace the charge plug and use a 1/8" audio plug for charging.
http://cgi.ebay.com/Hitec-Switch-Har...d=p3286.c0.m14
Much cheaper and round holes are easier to make.
Good Luck,
KW_Counter