Griddle?
This is why the stainless gets all blue and warped.
The item mentioned and at E-bay is a sink drain board, and up it's a
heat sheild for the couter top lid when cooking.

Never intended to be used as a griddle for your flap jacks, or cackle
berries.

LOL !

<<Actually it is a two use item. Up it is a shield down it is a griddle.
I can check tomorrow. I may actually still have a cooktop cover in the
shed. I assume the mounting hardware would be needed as well.
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jimt