Uni Pin 01 Oil-based Ink Pen - 0.49 mm - Black Ink
This Uni Pin fineliner features a rich oil-based ink. You can use it to write or draw on plastic, glass or fabric surface as well as paper. Features of the nylon tip makes sure the service life of the nib will be long enough to use out the ink and the width of stoke is stable. These make it perfect for technical drawing. The oil-based ink is dye-based and acid-free.