The markal dura ink retractable fine bullet tip pen is a retractable permanent ink marker which uses a one handed push button for easy opening and closing the convenient capless feature makes it ideal for use in tight work spaces and eliminates mess or lost caps wear resistant ink formula and formulated to dry quickly and leave bold highly visible marks the wear resistant ink is safe for use on almost any surface and is water resistant supplied in a display pack 24 pieces mark size 15mm 116in