The spring loaded fineliner has a cushioned metal encased medium tip for a wider line width of 0.STABILO SENSOR has been updated to now include eight vibrant colours. It still has a 0.3 mm metal encased tip with micro cushioning to withstand pressure. STABILO SENSOR gives the utmost comfort to those who spend a lot of time during their day writing or drawing.mm. The micro cushioning is used to withstand pressure and fits perfectly into your pencil case. The pen gives the ultimate comfort to those who spend a lot of time during their day writing or drawing at university, school or work.