Looking to Replace a Broken Window Crank Unit

I'm afraid we still cannot identify what you have. We need to see the arm in order to identify what you have. There are multiple operators that use this cover and handle, so they are not enough to determine what you have. You mention that it opens like scissors, which makes me think of our 39-155 and 39-156, but you would need to carefully go over our pictures, dimensions, and other information to confirm if these match.

That doesn't really narrow it down, unfortunately. The only way to confirm if the hardware I mentioned will work is to carefully compare our pictures and measurements to the existing hardware.