Pilot Frixion Ballpoint Pen Refill, 0.4mm, Black, 3-pack (LFPKRF30S43B)

Frixion ballpoint pens that erase when rubbed. Replacement refills. [Size] Maximum diameter Φ6.0mm, total length 111mm / 3 pieces [Ballpoint pen tip] 0.4mm, black Friction Point Knock, Friction Point Brand name: Pilot