"qrk" wrote in message
...
On Fri, 9 Mar 2007 18:42:26 +1100, "Phil Allison"
wrote:

** Found this is a 1950s US made tube amp.

What is the head type called ??
...... Phil


You need an "Every-Bit" set.
http://www.hobbytool.com/index.asp?P...ROD&ProdID=664
I have a similar set which has been invaluable when coming across
those goofy fasteners.

http://www.kmstools.com/ has a sale on security bits - CAN$5 for a set of 33
(Page 19).