So, turn out two of my tension rods on my Sound King are rusty and don't look particularly good. I want to replace them with clean ones, but don't know if there is any difference in tension rods (other than length), 60's vs. 70's vs 80's. I always like to be period correct if replacing anything, but I honestly don't know how I can tell if I am picking up the correct piece of Ebay.
Any help?