Fishing rod repair kit How to Use? Remove the original tip top. Confirm your tip top type and measure the ring and tupe size. Stick tip top on rod tip with head glue Put the tip top on rod tip and let the tip top and running guides are aligned Size: 6 # Inside Diameter: 3mm Outside Diameter: 7mm 8 # Inside Diameter: 4mm Outside Diameter: 10mm 10 # Inside Diameter: 6mm Outside Diameter: 11mm 12 # Inside Diameter: 8mm Outside Diameter: 13mm 16 # Inside Diameter: 10mm Outside Diameter: 17mm 20 # Inside Diameter: 13mm Outside Diameter: 21mm 25 # Inside Diameter: 17mm Outside Diameter: 26mm 30 # Inside Diameter: 23mm Outside Diameter: 33mm Color:As Show in the Picture. Package Includes: 8 Pieces Fishing Rod Guides Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.