Eagle Crank, should I buy it?

GTX JOHN said

By the part number it looks like a 3.9 stroke crank
for a 440 Main size = Not a 400 for 3.75?

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That’s what I told him, it’s a discontinued crank apparently. I’m not sure if he is the original purchaser, doesn’t seem to know much about it. I’m just going to pass on it.