Have you ever faced the frustration of running out of ink in your favorite pen, only to discover an overwhelming variety of refills with confusing specifications? This challenge becomes particularly pronounced when dealing with refills measuring approximately 111.1mm (4.375 inches) in length. This guide provides comprehensive information about this common refill size to simplify your purchasing decisions.
The 111.1mm measurement represents the international standard (Euro-compliant) for ceramic safety ballpoint refills, with actual lengths typically ranging between 110mm and 112mm. These refills are prized for their smooth writing performance, durability, and safety features. However, this size category encompasses more than just standard ballpoint refills.
Several high-quality writing systems utilize refills within this length range:
When choosing a 111.1mm refill, consider these essential factors:
Careful review of product specifications or consultation with knowledgeable professionals can help ensure you select the optimal refill for your writing preferences and instrument requirements.