The C&F Design Magnum Gravity Kit is the perfect solution for fly fishermen looking for precision and efficiency in their fly tying. Specifically designed to increase the weight on the reel seat while applying additional tension to the tying line, this kit is an indispensable tool for creating heavier, more robust flies. Perfect for marine conditions and running water where sea flies and streamers are often used, the Magnum Gravity Kit guarantees unrivalled stability and reliability when tying. Exclusively developed to fit C&F Spool Holders, this kit ensures perfect integration and optimum performance, making it a preferred choice among discerning fly-fishing enthusiasts.