First DIY Mash Tun in Progress

Opinions please....Will this 24" * 3/4" stainless mesh tube work good for my DIY mash tun? Following Palmer's book and the forums I arrived at this design and am awaiting the bulkhead to fit for my 10 gallon circular cooler. Once the bulkhead arrives (with other goodies), I will figure out what size 1/2" brass tube will place the tubing in the middle of the cooler.
Wondering if there are any other improvements to this design. Such as putting galvanized wire inside the mesh tube to keep its shape in the mash.

Looks ok to me but I would not put galvanized wire in the tun.

https://www.homebrewtalk.com/f51/mlt-cooler-conversion-crushproof-braid-122433/

the spring in that thread works perfect, you def need SS

I would try using stripped copper wire or stainless steel rather than galvanized, otherwise good to go!