It was a hole at the end of the left front bumper. We had to send it out to get a stainless steel weld.

After filing.

This bumper was really bad with deep scratches and a lot of bends and nicks.

After straighten the metal.

Prepping the metal by wet sanding with 100, 220, 320, 400, 600, 800, 1000, 1500 and 2000 grid.

After hours of polishing...

That is the part that was all banged up:

Where the hole was: