Slider 755 Ballpoint pen refill - black - M Product description Giant refill with Viscoglide® technology for smooth and gliding writing. ISO format G2. Writing colour black. Medium line width (M). Waterproof according to ink standard ISO 12757-2. The wear-resistant stainless steel tip guarantees that the large ink supply can be fully used and does not smear. The ink dries quickly - even on smooth paper - and is smudge proof when highlighting it later on. Fits all Schneider Plug+Play ballpoint pens as well as many other pen types. *** COMPATIBLE CON BOLÍGRAFOS DE LAS MARCAS SCHNEIDER, PARKER, PELIKAN Y FABER-CASTELL ***