Black and blue black colors refills are available.
If exposed to extremely cold weather for a long time, ink inside new cartridges is likely to freeze, expand, and push out the stopper, causing cartridges to leak.
|Model Number||OHTO FCR-6 BLUE BLACK|
|Cartridge Size||Short International Standard|
|Diameter - Max||7 mm|
|Ink Color||Dark Blue (Blue Black)|
|Quantity in Pack||6|
|Size - Length||3.8 cm|