Nothing is more fairly distributed than common sense: no one thinks he needs more of it than he already has.
3 in 1 oil is most definitely *NOT* safe for plastic!!!
This has come up before, time and again--it may be ok for nylon but any styrene type plastics will be destroyed by it. Don't take a chance, leave the 3 in 1 in your garage and get some real hobby grade stuff specifically marked for plastic.
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