Original poster: "by way of Terry Fritz <teslalist@qwest.net>" <kd4lyh@bellsouth.net> Try this site. <http://www.welding-direct.com/tunel.html>www.welding-direct.com/tunel.html My previous posting didnt work for this site. Regards Jeff KD4LYH Florida Army MARS call: AAV4RJ/T -