What receive: the package comes with 21 pieces of fishing hook keepers in 7 colors, including yellow, blue, black, pink, purple, orange and green; Each fishing hook keeper comes with 3 pieces of rubber rings in different sizes, large, medium and small Quality material：Made of strong ABS material, lightweight and durable.A fishing hook bracket with 3 rubber rings O-rings are made of high-quality rubber, with good resilience and durability, good wear resistance and corrosion resistance. Applicable rod diameter 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 Practical function: provide with elastic rubber rings for fishing rod holders in 3 different sizes, they can increase the adhesion to the rod and protect your rod from scratches, convenient for fisherman to fish more efficiently Detailed size: these rubber rings are available in 3 different sizes, small is about 0.39 inch in diameter, medium is about 0.59 inch in diameter, and large is about 0.98 inch in diameter; the fishing rod hook holders are approx. 9.5 x 12.5 mm/ 0.37 x 0.49 inch Features: Adequate quantity: There are a total of 21 pieces of fishing rod hook holders in the package, and each one come with 3 pieces of rubber rings in different sizes, enough quantity for to use or share with friends who have common interests. Safe to use: This fishing bait set is easy to install and can prevent slipping. It won't scratch or break rod guides or cork handles, and prevents line from getting tangled, making it an ideal tool set for all fishing enthusiasts. Specifications: Material: ABS, rubber Color: yellow, blue, black, pink, purple, orange and green Size: Fishing rod hook: approx. 9.5 x 12.5 mm/ 0.37 x 0.49 inch Small rubber rings diameter: approx. 0.39 inch Medium rubber rings diameter: approx. 0.59 inch Large rubber rings diameter: approx. 0.98 inch Package includes: 21 x Fishing hook keepers 63 x Elastic rubber rings Note: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen display.