MIREN 6 Pack Parker Style Ballpoint Refills, Fine Point, 1.0mm, Black Ink Length: approx. 3.9 inch (9.9cm). Fine Point: 1.0mm. Large capacity metal refill with black ink. Fit all types of pens that use the standard Parker style ballpoint refills, including MIREN LED penlight tactical pens. High quality ink can provide fluent and clear writing.