See Rohn catalog.I think parts are special from factory only. Tower Tech has catalogs for $5.00 GL Jim, KF4HK -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com Search: http://www.contesting.com/km9p/search