All Products Staedtler Pigment Liner Pen 0.05 mm Staedtler A0018486 JOD2.25 This liner has a 0.05 mm nib. It is a great option for drawing, drafting and writing. The ink is permanent, lightfast, acid-free and waterproof. The lid has a metal clip so you can easily take it on the go. It is airplane safe and will not leak due to changes in pressure. This liner contains black ink. The cap can be left off for up to 18 hours... Add to cart