**Feature** Nib : about 0.5 mm Ink: International Standard Cap : Push Type Length(Approx): 138mm ; Weight(Approx): 38 g ; Diameter:13mm Package : One Pen and and a small soft cloth from Erofa for cleaning pens Color:Black It is possible that ink takes more time to get into the feed of a new pen make it fully wet/workable. We recommend you to use bottle ink at the first time of use . Or drop the black section part in the water for one hour to make it wet enough .