Good discussion on Seacocks and what not to use
Disscusion on an alternate method to install seacock backiging plate without the need of drilling mounting holes through the hull.
Stainless or chromed or polished bronze thru-hull fittings and seacocks in many sizes.
Detailed tips on the type and proper installation of hose clamps
Titanium thru-hulls that do not corrode under any circumstances.