Tombow - Slim BR-CS2 Ballpoint Pen Refill | Black Medium

Compatible with Tombow Reporter 4/Zoom small pens, these refills feature leak-proof protection crafted from durable polystyrene. Each refill contains standard black ballpoint ink and has a semi-transparent black plastic body. Designed for longevity, they offer an impressive writing length of approximately 1200 meters. The medium-sized (0.7 mm) tungsten carbide ballpoint tip ensures smooth and precise writing.