Sailor fountain pen refill 0062

Product code
18-0062-220
JAN code
49-01680-28043-9
Specifications
Font width: Fine
Tip: stainless steel 0.7mm
Application: For oil-based ballpoint pens
Body size
φ3×121mm
Body weight
1.0g
package
celery pack
Size: 35 x 150mm (35 x 180mm when using header)
Weight: 4.0g

How to replace and refill the core