[TowerTalk] dual pipe bracket - Google Search

[Gene Smar]

A pair of these might work. I'm sure you can find a domestic source.
73 de Gene Smar AD3F 


https://www.google.com/imgres?imgurl=https%3A%2F%2Fcdn.webshopapp.com%2Fshops%2F62249%2Ffiles%2F373247039%2Fiq-parts-double-pipe-clamps-h-30-89-mm-w1.jpg&tbnid=xQzTWtujtXh5jM&vet=1&imgrefurl=https%3A%2F%2Fwww.iq-parts-shop.com%2Fen%2Fdouble-pipe-clamps-b-30-89.html&docid=-ObSqPsA7zc_eM&w=1024&h=768&source=sh%2Fx%2Fim%2Fm4%2F2#vhid=xQzTWtujtXh5jM&vssid=l
Sent from my Radio Shack TRS-80 model 100 laptop