Produce precise lines of 0.3-mm width. Writes on all surfaces including glass, film, wood, plastic, metal, rubber, and porcelain. Unique stainless-steel long leg allows precise writing in a limited space. Instant writing, long storage time, and dry-out prevention are assured by an airtight ring seal cap.

Colors are opaque black, vivid red, blue, and green. Thinnest permanent line ever developed is sharp, precise, and clear. Permanent ink dries quickly and is waterproof and fade proof