Originally Posted by
JohnDThompson
It fits Atom/Regina/Zeus/Everest splined freewheels, and clears the locknuts as well as the Phil tool. Not common in North America, and the Phil tools are getting hard enough to find.
Though the number of splines is the same across these several varieties, they are not the same shape and are only close in dimension, and so are the removers.
https://www.bikeforums.net/22644910-post8.html
(I think there's a busted Everest in a bin, I'll have a dig and see what fits that.)