I don't really know the answer to that.
But they're only recommended by H4A, they're not suppliers, so I see no reason why not.
They're recommended because they have experience doing cut-ins.
I suppose you'd have to give them a call to know for sure.

Let us know what you find out, especially the price.

PS. I can never find ANYTHING trying to use this site's search option.
Its only because I came across the topic whilst looking for something else, I thought I'd pass it on.