Staedtler 3139 Fiber Tip Marker Permanent, Superfine, Black
Permanent universal pen is designed for use on overhead film and almost all surfaces. Dry-Safe ink can be left uncapped for days without drying up. Low-odor ink offers excellent smudgeproof and waterproof qualities on almost all surfaces. Ink dries in seconds. Ideal for left-handed users. Pen has a polypropylene barrel and cap with clip. Easy to refill.