SV brake structure: The reel features a sophisticated SV brake system that provides precise control with bait weights from 5 g to 15 g, enabling accurate lure placement in various fishing conditions. Enhanced maneuverability: Designed for finesse fishing, this spool improves casting accuracy and reduces fatigue during long fishing sessions, making it suitable for both beginners and experienced anglers. Aluminum construction: Constructed from high-quality materials including 7075 aluminum alloy and aviation-grade hardened aluminum, this spool delivers exceptional strength without excess weight, ensuring durability in demanding environments. Use scenarios: 1) Finesse casting with light lures (5 g to 15 g) in freshwater, around cover or structure where precision is essential. 2) All-day or extended fishing sessions where reduced fatigue helps maintain performance. 3) Beginners practicing finesse techniques who benefit from improved control and consistency.