Staedtler Lumocolor 317 marker

Permanent felt-tip pens with a fine tip. Staedtler Lumocolor 317 produces a 1 mm line. Tip size F is mid-range across the available sizes: S, F, M, and B. Suitable for almost any surface. The ink dries in seconds and is exceptionally smudge-resistant. The pen barrel is made from 97% recycled material. Withstands aircraft pressure differences and does not leak during flight. Lumocolor 317 uses Staedtler's DRY SAFE technology, which lets you leave the cap off for several days without the ink drying out. Available in single colours and in assorted sets.