Thru-hull valves

These nice old bronze valves come apart for servicing. I'm cleaning up the corrosion, greasing them up and putting them back together.

The valve put together in the pic on the bottom left is for the sink in the galley...
yes, that is light coming up through the open valve... I'm replacing the hose to the sink and potentially the sink...
These type of valve are on two thru-hulls for the cockpit drains, the galley sink, the head sink, and two for the head itself. One other thru-hull is a ball-valve type and can't be taken apart.