MVR 155

I agree that the paint/clear pen is likely not needed and will end up causing the spot to look worse, it's a dull spot that is 1/2" not a hairline scratch???

I will have to disagree about using a high speed buffer with a light polish being "hard pressed" to do some damage. Buffing a car is an art, a high speed buffer in the hands of someone who does not know what they are doing can cause some burnt clear/paint pretty quickly. Unless the OP has had some seat time running a high speed buffer I would suggest getting with someone who has that can show him the ropes. Also running out and purchasing everything he will need to do paint correction will likely far exceed what it would cost to have a pro do a quick spot correction.

rdef

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MVR 155

You can choose your favorite method of application: Hand rubbing, orbital buffer, or dual action polisher


This is not the equivalent of using a high speed buffer, these are relatively safe methods that even a detailing newb would have a hard time doing significant damage. I'm not trying to give you a hard time but simply advising that the OP does not use a high speed device without being shown the ropes by an experienced detailer.