The Parker Schneider Eco 725 black M ballpoint pen refill (10 units) combines the sustainability of recycled plastic with the sobriety of a document-grade black in a pack of 10. Designed in the standard G2 (Parker type) medium point (M) format, these refills offer a clean, quick-drying, and fade-resistant black line. The high ink capacity ensures a long lifespan per refill. Excellent for businesses, accounting offices, and document filing.