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The Uni-ball Signo Drawing Pen is an excellent range of drawing pens with an unusually-wide choice of tip sizes and ink colours.
Water-based pigment ink is light-fast, waterproof, acid-free, archival-quality, non-bleeding, photo-safe and odourless.
This Violet pen has a 0.38mm nib, making it suitable for chart correcting.
Manufacturer: Paragon Office Supplies Ltd