These cable railing post kits combine welded stainless steel posts with top rail mounting caps for simpler ordering and installation. Choose the right island series for your project. Each focuses on a specific post shape, mounting style, and cap style. Once on the product page for the island series you want, choose the height and hole size you need. You can also choose between inline vs. stair post caps and intermediate vs. terminal posts. Post Shape Mounting Style Cap Style St. John Square Deck Mount Hi Flat St. Kitts Square Deck Mount Hi Radius St. Croix Square Deck Mount Low Flat Key West Square Fascia Mount Hi Flat San Juan Square Fascia Mount Hi Radius Catalina Square Fascia Mount Low Flat Hawaii Round Deck Mount Hi Flat Maui Round Deck Mount Hi Radius Oahu Round Fascia Mount Hi Flat Kauai Round Fascia Mount Hi Radius Cap Styles: The Hi Flat Cap offers a stemmed design that properly attaches to any flat metal or wood top rail. The Hi Radius Cap offers a stemmed design that properly cradles and attaches to any round top rail. The Low Flat Cap is welded to the top of the post, and offers a stem-less alternative for flat top rail mounting.