Watertight Hatch Covers

[gw204]

http://www.armstrongnautical.com/dckplates.htm

[John Jones]

BTW, they show lots more in their eBay store than on their website.
http://stores.ebay.com/The-Original-Marine-Surplus

I don't see the type hatches I am talking about where the lid covers the base.

I find these to be more watertight.  It does not have a name on it, only a patent no.



with a gasket down under the lip.

[John Jones]

Looks like Tempress is the brand.  They have some on their eBay site.
I have no clue how this brand lasts compared to the others.