replacement-ink-cartridge-for-bolt-action-pen-by-bastion(R)
replacement-ink-cartridge-for-bolt-action-pen-by-bastion(R), Our ink cartridge are fine tip and available in the following colors and ink styles:Standard ink - Black, Blue, RedGel ink - Black, Blue, RedOur cartridge description is expressed as a particular type of Parker refill, which is the G2 ISO 98mm length, 5.8mm width, fine tip (.05 mm) version. The shape must match the original version shown in our product image.Parker is changing the style on some that they still describe as G2 ISO with a wider body that continues all the way down virtually to the point.Our pens require the 'classic' G2 style with the tapered end toward the point.