Tipus i gruix d'escriptura

•  Visellada de 1 a 3 mm (3)
•  Visellada de 2 a 5 mm (1)

Forma del cos

•  Ergonómic (1)
•  Ovalat (9)
•  Rodó (1)

Colors flourescents

•  Fluorescent blau (1)
•  Fluorescent groc (2)
•  Fluorescent rosa (1)
•  Fluorescent Taronja (1)
•  Fluorescent Verd (2)
•  Fluorescent vermell (1)