Found my old BiC Z4. Works like new. Cheap, but reliable. (Stored in a drawer for 5+ years) : r/pens
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BIC Z4+ Needle Point Roller Pen, Extra Fine Point 0.5 mm, Black, 24 Pens | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com
Bic - Bic, Salon - Roller Pens, Fine (0.7mm), Assorted (4 count) | Shop | Weis Markets