Hi Bert and all , the AL flashing looks like it works great .I'm planning on completing my magnifier soon and will implement you're idea.So far I have a 8" tertiary wound with #22 awg x 27"long ,this being my first magnifier could you post the specs. and any info you think would be of help? Mikey likes long hot arcs! Thanks again, Mike Church (CHURCHMON)-at-aol