I have restored a few old pipe wrenches with that acid and it does work! Watch how long you leave it set in it. I had got a plastic cat litter box from the junk store for a pan.
Then be prepared to clean and primer right away, as you will see the rust come befroe your eyes.
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IH CUB CADET 1450, 72, 86, 1211, IH #2 CART, IH 56" SNOW BLADE, COLLECTING CUB CADET ENGINES
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