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Hi guys,

My original teak bow catch is finally starting to rot, and after a couple of years of minor repairs I need to buy a replacement.

I see two size options for the hatch. A large and small, but the two sites I found selling them have different measurements from one another and from what I measured on my boat.

Specialty Marine says the small hatch is 16 5/8" across the top (narrower side, with the hinges). It has the larger hatch at 20 5/8" across the same area.

Black Duck Gallery shows the small hatch at 17 5/8" and the large at 21 1/2".

On my boat, I measured it to be 18 1/2" from edge to edge. Are the stores' measurements supposed to be between the hinges? I'm not sure which part to buy.

I attached a picture for reference, in case that is useful.

Any help is appreciated.