I found plus gas hard to get hold of. WD-40 isn't the same, not as thin and "penetrating". But I found a penetrating oil in the "3-in-1" brand range (they do loads of types now). In a spray can, very good stuff. I beleive it was in Halfrauds.
@Olly398 started
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I found plus gas hard to get hold of. WD-40 isn't the same, not as thin and "penetrating". But I found a penetrating oil in the "3-in-1" brand range (they do loads of types now). In a spray can, very good stuff. I beleive it was in Halfrauds.