A compact, purpose-built winding tool and spool box for fishing main reels that keeps line organized, accessible, and protected. Key benefits and features Clear hollowed lid: see spool contents at a glance so you can verify line type and remaining length without opening the box. Built-in cutting tool: trim line quickly and store ends neatly to prevent tangles and speed up re-spooling. Anti-reverse device on the main spool box: prevents back-spooling and reduces stress and abrasion on your line during storage and transport. Sturdy and easy to carry: durable construction and a portable profile make it practical for travel, boat, shore, or garage use. Primary function: designed for winding, storing, and protecting fishing main reels and spare spools. Performance and practical details Keeps line tangle-free and protected from accidental unraveling or damage. Fast access and simple operation streamline reel preparation and maintenance. Compact and rugged design supports frequent use in field conditions. Use scenarios Pre-trip re-spooling: quickly wind and inspect spools before you leave to ensure reels are ready for the day. On-the-water or roadside repairs: cut and re-store line cleanly when swapping spools or fixing a line break. Storage and transport: organize spare spools between outings so line stays protected and identifiable. Who this is for Anglers who want a reliable, easy-to-use tool for winding and storing main reels and spools, reducing setup time and protecting line condition.