OH pen Stabilo 841 SF Black 0.4 Permanent

Universal pen with permanent ink for use on overhead films and all other smooth surfaces
(glass, ceramic, leather, stone, etc.) Ergonomic grip zone. Cap off ink, ie. the pen can
leave uncovered for up to 3 days without drying out. (Can cope all the way down to minus 22
degrees). Sleeve and cap in PP plastic.