bloke wrote: The idea is to use a solid wrench (whether open-end, box-end, or socket driver) to "break" very tight bolts loose, and then (once freed) switch over (for speed/convenience) to the ratchet.
+1 , and in tandem with a nice long piece of pipe for the super-stubborn ones.
Having snapped the swivel connector on a few of these

, I don't see them as being any more useful than a ratchet wrench....(although I must admit that the "vintage" Craftsman ones were considerably tougher than the garbage available out there today)
the elephant wrote:it is getting hard to find in stores
It's getting hard to find
stores - my local Sears Roebuck closed its doors earlier this year...
BTW, I've got Milwaukee power tools, purchased in the 1980s, that still work
GREAT
"Even a broken clock is right twice a day".