After looking at a pile of U channel outside the shop for 4 years I cheaped out and got the HF one. Just in case you are wondering, it's not the same. Not even close.
It wobbles like a wet noodle, and you couldn't pay me to put a 12T jack on it.
However, limited as it is, it's a very handy tool to have around....
(paid for itself in one job)
Someday....someday....
(The HF one is bolted, not welded,which is half of why it wobbles and twists, Anyone tried welding one of those together?)