This is a replacement spool and spool knob with a 4-degree taper for the 10 Active Cast. It is designed primarily for surf fishing (kiss fishing) and does not have a drag function. It is very sensitive to heat, so please be careful when storing it in high-temperature locations. Line: Shimano Tanator 4, 0.8 gou, 300m Leader: GOSEN Techni-Me Taper Chikara Ito #0.8-5, 13m We hope this information is helpful. Material: PETG Height: 50mm Stroke width: 35mm Lower flange diameter: 76mm Upper flange diameter: 70mm Maximum diameter of stroke section: 70mm Minimum diameter of stroke section: 65mm Weight: 36g Heat distortion temperature: 70℃