Writes on all surfaces STABILO Mark-4-all. Permanent markers for anyone who writes on smooth surfaces and professionals such as carpenters, masons or gardeners who have to write in extreme conditions and on unusual surfaces. Writing skills tested on over 1,000 surfaces including glass, plastic, photos, ceramics, foil and metal. The plastic tip is stronger than conventional markers - it writes clearly and well on hard surfaces. Reliable under extreme conditions such as cold, heat or rain, therefore also suitable for use in freezers or greenhouses. Does not damage the surface while writing, therefore also suitable for labeling DVDs and photos. Quick-drying, waterproof, light- and frost-resistant. High protection against drying out without cap. The cap can be attached to the end of the pen. The permanent marker STABILO Mark-4-all with round tip (line width 1.5-2.5mm) · Can be used for a long time without the cap without drying out · Tested on more than 1,000 surfaces, such as glass, plastic, metal, photos, glass, ceramics, foil, etc. · Reliable in extreme conditions such as cold, heat or rain - therefore suitable for freezers or greenhouses · Quick-drying, light and frost resistant, waterproof