In article 1123687877.323046.165870
@z14g2000cwz.googlegroups.com, says...
I'm hoping to find a few plastic end caps that will fit INTO 2" square
steel tubing that has a 1/16" wall.

So far, I have checked McMaster and Home Depot but not found what I
need.


McMaster p/n 9565K19 or 9565K8, both on page 3494.

Ned Simmons