Will do. Enjoy MRRF!
Thanks @azab2c for the list of places to purchase tubes. Well, today I purchased the last three round 16 gauge 1” steel tubes from the Tractor Supply store. I got two 3ft, and one 4ft. They were pretty dusty, so I did my best polishing them up. I think I came out on top with the exception of two cracked x braces. 
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How isit now??
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The core moves absolutely smooth. Hooray!!
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