STABILO Pen 68 Neon and point 88 Neon mixed Wallet of 10 Start mind mapping with STABILO Pen 68 and its 1 mm tip. STABILO point 88 fineliner has a 0.4 mm line width and water based ink making it a popular choice for artists and children. Their hexagonal striped design is well known all over the world. Take advantage of the long cap-off time. Let the neon colours be part of your daily work.