Rapala SmartHub accessories simply slide over the top of the SmartHub connector and securely clicks in, giving you endless options to effortlessly interchange and adjust for your needs. Mount a single SmartHub independently on a flat surface in several locations around your wheelhouse to easily move accessories where convenient. The SmartHub also works with the Track System 16 (sold separately). Simply position the SmartHub anywhere along the track, turn the red center set screw clockwise to lock or counterclockwise to unlock position and you are ready to fish. Features: Specifically designed to hold all 50 yard Sufix Rattle Reel and Tip Up Line spools. Fits 14mm or 15mm center spools. Pre-loaded with 25 yards of Sufix 30 lb. Rattle Reel Line. Simply unscrew tension knob to separate reel and install a 14mm or 15mm center Sufix spool. Rapala logo glows for low light conditions. Built-in hook keeper. Variable spool tension knob. Includes one adjustable SmartHub connector and mounting hardware.