Efficient line management The Fishing Line Winder uses a 51 speed ratio system to deliver quick, uniform winding for consistent line management and tension. User friendly operation Features two way winding capability for line retrieval and adjustments, making setup and reel changes smoother. Adjustable tightness Easily set the tightness of the line to match different line types and conditions, delivering reliable performance. Sturdy construction Built in with a three bearing loop for durability and a fast, reliable winding process every time. Use scenarios - Spooling new line onto reels for freshwater or saltwater setups during routine maintenance. - Replacing or adjusting line on spinning or casting reels to achieve even winding and correct tension. - On a boat or shore, quickly winding line during setup for jigging, trolling, or casting preparations.