Attachment parts for grip removal/customization. *The second photo is an installation image. The reel seat side is not included. The ferrule to insert the blank has an inner diameter of 8mm. Photos ④ and ⑤: Outer diameter: Approximately 17mm Photo ⑥: Insertion side Outer diameter: 6mm Length: 3cm *Please pay attention to the outer diameter and any steps on the reel seat side during installation. These are parts for grip removal/customization. How about it for those who build their own rods? *There may be fine scratches from the molding process. Please consider purchasing if you understand this. Shipping will be in simple packaging.