Gruix de la mina

•  0,5 mm. (2)
•  0,7 mm. (1)
•  2 mm. (1)
•  3 mm. (3)

Forma del cos

•  Ergonómic (5)
•  Hexagonal (3)
•  Ovalat (1)

Colors flourescents

•  Fluorescent rosa (1)
•  Fluorescent Taronja (1)
•  Fluorescent Verd (1)