Mount horizontally and attach an eye end in Bimini top applications. Angled Hinges are used for mounting items on slanted surfaces like sloped gunwales. Removable Pin Deck Hinges feature a spring loaded quick release pin for easy top removal. Corrosion resistant investment cast 316 stainless steel construction. These hinges install with two #10 FH fasteners (not included). 1/4? pin size. Pin 1/4" Bolt Base 3/4" x 2-1/4" Fastener #10