Universal pen for use on almost all surfaces
Suitable for overhead projection, also for use on CDs/DVDs
Excellent smudge-proof and waterproof qualities on almost all surfaces
Dries in seconds, therefore ideal for left-handed users
Permanent, low-odour ink
Lightfast colours: black, brown
Weatherproof colour black
Stand-up STAEDTLER box
PP barrel and cap guarantee long service life
DRY SAFE – can be left uncapped for days without drying up (Standard atmosphere according to ISO 554)
Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
Superb colour brilliancy
Refillable. 
Line width for Medium ( M code)  tip approx. 1.0 mm, for  Fine ( F code) tip approx. 0.6 mm,  for Superfine ( SF code)  tip approx. 0.6 mm
    4 Color set include color : 2,3,5,9
    6 Color set include color : 2,3,5,9,4,7
    8 Color set include color : 1-9