Mount horizontally and attach an eye end in Bimini top applications. 180 degrees Adjustable Hinge allows universal mounting at almost any angle including vertical mounting. Corrosion resistant investment cast 316 stainless steel construction. These hinges install with two #10 FH fasteners (not included). 1/4? pin size. A 1-11/16" B 1" C 1-15/16" D 2-3/4"