Touching up the underside of bumper

[FRSstyle]

I think some of you have experience in using touch-up paint to restore bumpers.

This is not my before/after picture. But my situation is similar to the before picture.

What grit sandpaper should I be using for my paper?

[DogRescuer]

I think some of you have experience in using touch-up paint to restore bumpers.

This is not my before/after picture. But my situation is similar to the before picture.

What grit sandpaper should I be using for my paper?
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