Pontoon Rail Adapter MountRail Mount Adapter is designed to adapt wrap around style rail mounts to square pontoon railing with full height paneling. The adapter saddles the top rail and securely clamps in place with the included Allen key.  It stays in place without any drilling or permanent installation damage.  The Grill Mount Adapter is made of durable stainless steel and aluminum that resists rust and corrosion. Features:Use in addition to wrap-around style grill mount to mount grill on a pontoons’ full height panelingNo need to drill holes into fence panel or railingEasily adjusts from 1.4\