Unlike traditional bimini top fittings, this stainless-steel hinge's quick-release feature allows the owner to easily remove or install the top without worrying about screws and pins. Low-profile base mounts directly onto any vertical or horizontal surface. Hinge is designed to snap into the base and can swivel 360°. Mounting holes 2.5" center to center. Mounting hardware not included. Sold individually. 3.60"L X 1.19"W.