1. Lightweight and compact, easy to carry
2. Durable and practical rubber and copper ring material, corrosion resistance and good elasticity
3. Suitable for streams, rivers, lakes, pelagic fishing, reservoir ponds, etc.
4. The depth used to fix the float, often used for long rods
5. Material: metal, rubber
6. Weight: small about 15g, medium about 18g, large about 23g
7. Size: small about 16mm, medium about 18mm, large about 20mm