With fade proof Super Ink so your creations will last when using Uni PIN Bold and Broad Drawing Pens Pack of 3.Create an ink line that is clean and precise using the fine tip pens, featuring 3 different nib sizes of 0.9mm, 1.0mm and 1.2mm. Containing Super Ink to protect your creations from fading, the ink is water resistant too so the drawing pens can be used with watercolour and will not smudge when wet. Ideal for all your artistic creations whether at home, in the office or for school and university studies.. Nib sizes, 0.9mm, 1.0mm and 1.2mm - Black. Fine tip pen nib is strong and doesn\'t bend . Fade proof Super Ink. Approximate dimensions (mm) H 197 W 80 D 16.4. Weight 0.044 KG