Pilot 2268001 Frixion Rollerball Pen 4 Four Colour 1 Count (Pack of 1), Black
Colour: Black. Ink Colour: Black. 4 colours in 1 pen. Ink colour: Black. With Thermosensitiver ink. Unit count: 1.0 count. Pencil Lead Degree (Hardness): B. Point Type: Ultra Fine.