'fine liner' is correct and usable in written English.
You can use 'fine liner' to refer to a thin pen with a fine nib used for writing, drawing or sketching. For example, "I used a fine liner to create the intricate details of my drawing."
The story of how three musicologists, Douglass M. Green, Douglas Jarman and George Perle, unlocked the mysteries of the "Lyric Suite" (1926) is well summarized in the Nonesuch release, in fine liner notes by Greg Dubinsky.
For the rest of his course, Khare sat in the lecture rooms surrounded by a bunch of fine liner pens and pigment markers.
The final position of the grid was marked on the leg of the subject with a fine liner.
Roughly follow the foliage guides with a fine liner.
Go over your lines with a black fine liner.
Go over your drawing with a black fine liner.
Fluent in all genres, he meticulously explores an artist's oeuvre to select tracks in just the right sequence, compiles the finest liner notes, photos and other accompanying information to create a compelling, comprehensive story and supervises remastering so the songs frequently sound better than the originals.
Fine-tipped flowers blend with fine-liner pen in the soft, soothing tableaus of one visual artist's floral-focused, two-dimensional works.
Don't go ahead and start using pen if you are a beginner in fashion design - save the fine-liner or black biro for when you are an advanced sketcher.
Draw a fine line of liner on eyes that give a definition to the eyes and then apply kajal which will give depth to your eyes.
All other liners are fine but liquid liner is a no no, causes serious eye irritation if it gets in the eye.
