Durable aluminum alloy line puller for reliable line control, comfort, and safety during fishing. Material and durability: Made from strength aluminum alloy to resist wear and shocks for extended use. Secure fit and performance: Groove pattern provides a secure fit for most fishing lines, minimizes slipping and twisting, offers stable operation, and supports quick shape restoration when reeling. Ergonomic grip: Ergonomic design distributes pressure evenly to reduce hand fatigue during long sessions. Safety and protection: Groove design absorbs force to protect hands, reduces mainline damage, helps prevent reel accidents, and lowers snag risk for smoother operation. Compatibility and size: Compatible with common line sizes and standard reels; suitable for a variety of tackle setups. Use scenarios: On a boat, when fighting a big fish, you gain reliable line control and reduced fatigue. Shore or pier fishing with long retrieves benefits from a steady grip and durable construction. Jigging or trolling with varying line diameters benefits from a secure line fit and quick shape restoration.