Used as part of a Bimini top system, the Sea-Dog 273162-1 Hinged Jaw Slide Fitting attach an eye end securely to support tubing. They are used for installing a new Bimini top to boat rails or for adding an additional support arms to an existing top. These injection molded nylon fittings are durable, UV and corrosion resistant. Hinged jaw slides fit 7/8” tubing and are ideal for mounting on handrails, or in applications where it is not possible or convenient to slide the fitting on.