Pilot Frixion Ink Ballpoint Pen LFBKRF30EF3B Refill, 3-pack, 0.5mm Black, (2-pack)

Type: Frixion Ball 0.5mm Refill, 3-pack (compatible with both retractable and capped pens) Pen tip: Extra fine 0.5mm ball Ink color: Black x 3 cartridges (2 packs) Refill size: Total length 111mm, maximum diameter 6.0mm ● The secret to its ability to "write, erase, and write again" lies in its uniquely developed special ink. ● Frixion pens are erasable writing instruments. Do not use them on documents, addresses, or anything that should not be erased.