Unused, bought from the far-eastern site we all pretend not to use, but the largest blade is smaller than the incorrect listing said, so not useful to me.
The quality is almost certainly execrable, but it'll do if you want to make some large holes in wood or plasterboard only a very few times in your lifetime. If you plan to use it more often than that, do yourself a favour and buy something less awful.
Hole saw set. (Oxford OX4)
This offer has been gifted to someone and is no longer available.