Originally Posted by
wschruba
FYI, you can get a type of file with a safe edge, used specifically for something like this, where you want to remove material from a surface with no chance of damaging the adjacent surface. They are typically available from a place like Grainger/McMaster Carr (or Amazon, I'm assuming).
Good call!
I'd put a piece of tape under the "safe" edge as well, even smooth metal will scratch the paint.
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