Fineliners marry the visual impact and performance of ink with the convenience and predictability of a needle-point pen. Unlike metal-tipped technical pens or traditional brushes and dip pens fineliners take no special care to use. This makes them accessible for beginners and everyday writers while allowing experienced artists to work distraction-free. Brustro Professional Pigment Based Fine Liners are reliable versatile pens. The combination of fiber tips clamped in long metal tip and softer writing action makes them easy to use not only with rulers and templates for technical and architectural drawing but also ideal for writing and sketching. The ink is waterproof and fade resistant ensuring that your drawings wont bleed or pool when exposed to water and wont fade with time or in sunlight. They make an excellent disposable alternative to the more expensive refillable technical pens so youd be hard-pressed to tell the difference. It is Ideal for all your fine inking needs. The fine liners begin with a size 0.03mm and work all the way up to 1mm. These quick-drying pigment-based ink pens are great for anime illustration details fine art design comics modeling and journaling and paper-crafting.