A fine, neat pen is essential for sketching. The Montana Sketch Liner Single marker is available from the finest 0,1 mm to a thicker 1,2 mm - so for every sketch, drawing or illustration you have exactly the right tool!

Available line width : 0,1 mm, 0,2 mm, 0,3 mm, 0,5 mm, 0,8mm, 1,2 mm.

- Very robust tip
- High quality, alcohol based ink
- Waterproof