Cheap mains one from Lidl, about 10 years old. What's the brandies? I want to say Parklife!
Gets a fair amount of abuse, I use it to reshape knackered mower blade, that sort of thing.. The mains cord just gets wound tightly round the body when not in use, so not surprise the wires broke inside the insulation. Easy to fix though.
Replacements bits/discs/etc all cheap from the aisle of shite.
I'm sure there are better versions out there, but it's really not difficult or complicated to spin a bit at 10,000 rpm or so.