An original Parker ballpoint refill in Medium (M) size, designed to deliver a smooth and consistent writing experience with vibrant blue ink. Compatible with classic Parker ballpoint pens that use standard refills, this refill features a high-quality ink formula that dries quickly and resists smudging. Perfect for daily use at the office, in school, or for formal signing, with balanced flow and effortless glide. The durable metal barrel ensures long-lasting performance and easy replacement.