Pilot Black Frixion Rollerball Erasable Pens Pen Refills Replacement Spare Ink BLS-FR7 (Pack Of 3 - 9 Refills) Pilot Black Frixion Rollerball Erasable Pens Pen Refills Replacement Spare Ink BLS-FR7 (Pack Of 9 Refills) Pilot Frixion Ball 0.7 Mm Refill (9 Refills comes in separate/single pack of per refills). Pilot Frixion Ball 0.7 Mm Refill Black, Write ,Delete ,Repeat, without damaging documents.