Looks great! Did you make those sight glasses or buy them from somewhere?
Looks like a DIY but the numbers are familiar. If you want to buy, Brewhardware.com.
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The burners have a single bolt in the middle. What I did was make a hole bigger enough for the bolt only. Then the bottom part of the bar has a wider hole drilled that is big enough to accept my racket piece to then tighten the bolt from underneath. Kind of a pain in the butt to get it done but it should never have to move again.