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True, but the "nut" tool is a pain with a socket because you're applying the leverage further out. 40Nm is what I can apply with a lever that length, so on balance I prefer the tool with a handle.
I don't think I've ever needed to remove a cassette from a wheel with a solid axle and without the pin you really need to use the QR to hold it in place, unless skinned knuckles and burred lock rings are your thing!
I suppose the best solution is to have four, to cover all eventualities...
Something with a handle and a locating pin: eg Bike Hand YC-126-2A.
I doubt there's much to choose between them, so whatever your favourite retailer has in stock will be fine.