These Door Hinges are constructed of corrosion resistant stamped 304 stainless steel to withstand the harsh marine environment. Installs with six #8 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel for interior and exterior applications. Designed to be used where mounting space is tight on one side, but added weight would make a longer bracket beneficial on the other. Installs with five #10 FH fasteners (not included).