The Parker F 1950368 blue ballpoint pen refill is a fine-point (F) refill with Quinkflow technology designed for all Parker ballpoint pens. Filled with quick-drying blue ink and highly regulated flow, this refill prevents skips and smudges while writing. The 0.8 mm fine point allows for precise and detailed handwriting in tight spaces. It is excellent for accountants, students, and professionals who need to fill out forms and take meticulous notes.