Ballpoint pen for excellent writing comfort. With a refillable Express 775 Medium (M) ink cartridge, waterproof according to ink standard ISO 12757-2. The wear-resistant stainless steel tip ensures that the large ink supply is fully utilized and does not smudge. Available in six different barrel colors with blue ink (assorted selection). The rubberized grip area provides a secure hold for relaxed writing. Loox features a sturdy metal clip and can accommodate a variety of refill formats thanks to its clever Plug+Play system.