-- Last Updated: Jul-05-12 5:33 PM EST --
I have no affiliation with them. I've just heard good referrals from satisfied customers.
I buy my accessories for modifying my boats mostly from NRS, which doesn't carry those hatches, or from Blue Mountain Outfitters in Marysville, PA.
If you are anywhere near Marysville, PA (just a few miles north of Harrisburg), they're worth a drive. They'll also ship. I cannot recommend Blue Mountain Outfitters highly enough.
If you can't visit in person, you're better off calling and talking to a person than relying on the web site.
I'm not affiliated with BMO either, except as a satisfied customer.
- Big D