Source for rubber hatch stops

[sb in gp]

The only alternative I could think of would be to check https://www.mcmaster.com/

But, for the amount of time and effort you’re going to spend trying to make something fit, $5 apiece doesn’t seem unreasonable in terms of boat costs.

Ended up buying from Tiara and ordering some spares.  McMaster did not have any obvious replacements.  Thanks.