This is a sealed container unused of durrow hill , muffler tailpipe , sealer , net weight 4.5 oz. The TRW service line the t.R.W replacement diff vision out of Cleveland Ohio.It is made and printed in the u s a. I. Believe this is from the seventies because of the car on the package. If you have any questions, please let me know.But, please look over the photos for they are part of the description I would not recommend anybody using this product, which is probably close to fifty years old
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