A practical replacement for existing external mount bases from Scotty, RAM, Cannon, and Fish-On. Once attached, use the Railblaza Starport HD base to clip in any Railblaza accessory that uses the Starport System. The Starport HD screws directly onto the Quest Angler and IAtak kayaks using the Scotty base already installed. Installation options for hardshell kayaks include rivets, screws with locknuts, or self-tapping screws.