This fine-point pen features waterproof, quick drying pigmented ink for permanency and true color reproduction. Ideal for graphics, drafting, illustration or even accounting! Experience smooth, skip-free writing and crisp ink color that leaves consistent lettering and lines every time. Details: Black 03 fine line 0.35 mm nib Pigmented, permanent ink Waterproof and quick drying Chemically stable and fade resistant Will not smear Archival and acid free Bleed-proof on most papers