– direct ink delivery system enables longer marking than filter type
– marks thickly and evenly till the last drop of ink
– alcohol-based liquid ink, marks on most surfaces such as glass, plastic, metal, wood, and etc.
– available to see how much ink is left by checking the clear window at the bottom of the pen
– hexagonal ventilated cap with nib marking will not roll off the desk
– chisel tip
– writing length 400 m
– line thickness: 1-5 mm
