Gel pen with pressure push for flowing, vibrantly coloured writing results. Writing colour black. With replaceable refill Gelion+, line width approx. 0.7 mm. Waterproof and light resistant according to ink standard ISO 27668-2. The rubberised grip zone provides a secure hold for relaxed writing. Thanks to the clever Plug+Play system, the Gelion 1 pen can use ballpoint refills in a variety of formats.