– transparent lead ca. 10mm diameter
– twist-up
– no bluring of highlighted text
– easy use on different ink types
– no sinking through any paper
– no wrinkles on paper
– no drying out when left open
– consistent fluorescent color
– possible sharpening with knife
– smooth and quiet highlighting
– may be also used as fluorescent crayon
– invisible on photocopies
– set 4 kol.