Ian, Unfortunately, you will find that its nearly impossible to obtain a McMaster-Carr catalog unless you are a high volume customer! 73 Frank W3LPL donovanf@sgate.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm