Mine seemed OK after a few reuses. There is a way to bend them back a little to provide a good sealing surface afterward.
All this said, your results may vary. I am by no means trying to say that this is better than going out and buying new ones. I don't think that they're that expensive. I'm actually going to go out and buy a new set myself now.

I noticed that there is a 7mm and 10 mm size listed for my car. Which ones should I get. I don't remember what size my old ones are and I don't want to pull one out just to see what size it is.

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DJ


84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012