Schneider 103901 GS Cartridge Gelion 39 BlackGel rollerball refill Gelion 39. Use for product: Gelion 1 gel pen and all Schneider ballpoint pen models with universal plug+play fit. Refill type: Large-capacity refill ISO format G2. Ink type: gel ink indelible fade-resistant waterproof. Refill design: wear-resistant jumbo tip made of stainless steel 0.4 mm black. Schneider ballpoint pens and refills with the Plug+Play icon are compatible with each other. This makes mine change easy. Pack of 10
