davecampbell
Contributor
find a powder coater in your area. probably the most durable and affordable finish you'll find. probably get a rod done for $20.
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https://www.amazon.com/1-25-Heat-Shrink-Tubing-1-25FT/dp/B01BZE13QO?th=1Ok, Duracoat is a good idea, sadly couldn't find a place close.
Shrink tubing I haven't seen in 1 and 1/4 inch by 4 foot.
Be sure to confirm they use primer before powder coating. In fact they should sandblast, prime and then coat and bake.I found a powder coat place, I'll get a price tomorrow for it when they open.