Who knew cheaper wasn’t better. It’s as if you get what you pay for ...I have just bought a Katsu plunge base for my superb Makita RT0700C trimmer.
A bad decision: the quality of the Katsu is dreadful.
I had read that that might be a problem but ignored advise to save (several) pennies . . .
It does work but you would think the bit that matters, the plunge mechanism, could be made
to plunge smoothly.
Made the same mistake myself and wish I had spent the extra few quid. Will I ever learn?