The Schneider 56 Mini blue M ballpoint pen refill (2 units) is a compact, smooth-writing refill designed for pocket-sized and mini-sized ballpoint pens. The pack contains 2 medium-point (M) metal refills with water-resistant blue ink according to ISO 12757-2 standard. The stainless steel ball ensures a constant ink flow without skips or smudges from the first to the last stroke. Perfect for refilling diary pens, mini writing instruments, and personal organizers.