This 12" rough-in adapter came bundled with a new Toto Aquia IV toilet (purchased in mid-March, 2024). It has never been used/installed, because I required the 10" rough-in adapter instead, which I had to purchase separately. Perfect condition.
2 small screws and expansion plugs for the rear mounting holes are included (Toto expects you to provide your own hardware to fasten the adapter to the flange). Instructions and floor drilling template also included (but not the 2 mounting blocks and fasteners, which should come with the toilet).
I've re-used the 10" adapter packaging, and changed the product number accordingly.