• High-quality material: metallic, strong, durable, and reusable. Resistant to corrosion and wear. • Practical design: olive shape to reduce resistance during diving, maintain casting distance, and improve accuracy. Easy to replace. • Fast sinking speed: polished and smooth surface, easy to throw and hold. Ideal for fishing wild carnivorous fish. • Product list: 48 fishing lines in 6 different sizes, including weights from 2g to 60g. • Scope of application: suitable for professional fishing and daily leisure. Beneficial for deep-sea fishing.