Sea-Dog Stainless Steel Angle Base Deck Hinge - Removable PinStainless Steel Angle Base Deck Hinge Removable Pin Deck Hinges are designed to mount horizontally and attach an eye end secured to tubing in Bimini top applications. Concave Hinges are designed to rail mount on 7 8 tubing. Angled Hinges are used for mounting items on slanted surfaces like sloped gunwales. 3 16 pin size. Constructed of UV stabilized injection molded nylon. Installs with two #10 FH fasteners (not included). Available in black or white.