Ballpoint pen for excellent writing comfort. With replaceable Express 775 Medium (M) refill, document-proof according to ISO 12757-2. Ink color matches the casing color. The wear-resistant stainless steel tip ensures that the ink supply can be used completely and without smudging. The rubberized grip profile allows for a secure hold for relaxed writing. Loox features a sturdy metal clip and is refillable with various refill formats through the clever Plug+Play system.