Staedtler Lumocolor 313 Superfine 0.4MM Line Permanent Pen – Assorted Colours (Pack Of 8)

Universal pen for use on overhead film and almost all surfaces
Dry safe – can be left uncapped for days without drying up (ISO test 554)
Excellent smudge-proof and waterproof qualities on almost all surfaces
Supplied in handy stand-up desktop box
Superfine line width approximately 0.4mm
Country of Origin: Germany