A. This outdoor fishing reel grip knob is designed for outdoor enthusiasts and is suitable for handle modification of baitcasting reels and spinning reels. It is made of engineering plastics, which are sturdy and durable, able to withstand the tests of various complex outdoor environments and provide reliable support for your outdoor fishing activities. B. In terms of design, it is exquisitely made. The surface is treated with electroplating technology, presenting a smooth and shiny texture. This not only enhances the overall aesthetics but also improves the corrosion resistance of the grip knob and extends its service life. C. The product is equipped with two installable bearings with a bore diameter of 4 mm, including a special high - speed silent bearing of 4 * 7 * 2 mm and a special high - speed silent bearing of 4 * 7 * 2.5 mm. The design of the high - speed silent bearings makes the spinning reel run more smoothly and quietly, effectively reducing noise interference and enhancing the user experience. D. Whether it is in the tropical lakes of Africa, the peaceful rivers of Europe, the beautiful coasts of South America and Southeast Asia, the cold waters of North America and Northeast Asia, or the unique fishing grounds in the Middle East, it can accompany you to enjoy the fun of fishing. Additionally, the brand has an authorized own brand, and its quality is trustworthy. Bring this grip knob and start your wonderful outdoor fishing journey!