This is a sales page for a large-diameter series fishing rod tip top guide, silver color, size ④: pipe inner diameter 4.0mm x ring 10#. *Please double-check the diameter of your rod tip. Please note that this is not a genuine part specified by the fishing rod manufacturer, so it may not perfectly match your rod tip. In such cases, please refer to the text at the end of the photos for modification and adjustment instructions. ○ Please also see our other size sales pages. ○ Size Chart: ① 3.4mm x 10# ② 3.6mm x 10# ③ 3.8mm x 10# ④ 4.0mm x 10# ⑤ 4.2mm x 10# ⑥ 4.4mm x 10# ⑦ 4.6mm x 12# ⑧ 4.8mm x 12# ⑨ 5.0mm x 12# *The numbers before 3.4, 3.8, ~5.0 indicate the inner diameter of the insertion pipe corresponding to the rod tip diameter. The numbers after 10# refer to the inner diameter of the ceramic ring, which is approximately 5.9mm for 10# and 7.0mm for 12#. Please also note that we cannot accept returns or exchanges due to size discrepancies or incompatibility with your rod tip. ◎ Please refer to photos 4 and 5 for instructions on how to replace the guide for the first time. Note: When heating the old guide, there is a risk of the guide popping out. Please take sufficient precautions for yourself and those around you. Gel-type instant adhesive is easy to handle. <For customers who wish to purchase multiple items from us> We may be able to discount the duplicate shipping costs if you purchase multiple items to be shipped to the same address. Please inquire before purchasing. (Note) We do not guarantee a discount depending on the shape and weight of the items. Also, this is only a refund of duplicate shipping costs and not a discount on the items themselves. Lure supplies Fishing Fishing tackle Fishing goods Bait Repair Maintenance Rod making Top guide Fishing rod guide Rod guide Casting rod Boat rod Lure rod Telescopic rod All-purpose rod