【Quality material】：Rubber rings O-rings are made of high-quality rubber, with good resilience and durability, good wear resistance and corrosion resistance 【Practical function】: Provide with elastic rubber rings for fishing rod holders in 2 different sizes, they can increase the adhesion to the rod and protect your rod from scratches, convenient for fisherman to fish more efficiently 【Simple installation method】: These fishing bait tool sets are easy to install and remove, no complicated technique is required, just need to install the fish lure bait holder on the rod, secure the bait and prevent the line from knotting 【The package including】: 20pcs small fishing hook keepers 【Applicable rod diameter】: Big O-ring diameter: 0.83in/ 2.1cm, Small O-ring diameter: 0.59in/ 1.5cm AGOOL Fishing Focus on Fishing Tools and Accessories! We insist on making fishing easy! Secure your lures and prevent line tangle without damaging guides or cork handles with one of these simple design but effective hook keepers when moving.