About this item Ring Inner Diameter: 5.2mm / 0.21 inch; Tube Inner Diameter: 1.2mm / 0.05 inch Package List: 3 x Fishing Rod Tip; These fishing rod tips are lightweight and easy to carry when you go fishing. Advantage: The guide ring is strong and smooth, has corrosion resistance, helps control the fishing line works well and avoids twisting. Instruction: Cut a small piece of adhesive and put it into the tip tube, then heat the adhesive until it melts, then hold the tip with a plier and insert it into the end of the fishing rod. Application: This tip guide ring is used for DIY fishing rod or repairing fishing rod to prevent twisting of the fishing line.