STAEDTLER 318 9 Lumocolor Permanent Pen, Fine Line Width, 0.6mm Black (Box of 10)

Pen for overhead projector film and other glossy surfaces Permanent ink for lasting use Dry-Safe ink for up to 2 days cap-off time Fast drying ink prevents smudges Works on CDs, glass, plastic, metal, porcelain, wood, leather and OHP film