I created a set of fineliner brushes for Procreate that mimic the feel of real-life fineliner (aka uniball) pens.
The brushes
The set includes 5 brushes, all cloned and modified from Procreate's classic monoline brush:
- Extra fine - For details and light sketches
- Fine - Versatile, works well for most line work
- Regular - A bit more visible, good for main outlines
- Thick - For bolder lines
- Flexible - Fully customizable; adjustable size to fit your choice of line
All four fixed-size brushes are designed to feel like real fineliners — consistent size and no pressure sensitivity. The variable-size brush is to conveniently choose the stroke width.
Artwork created with these brushes
Here's a sketch I made with them:

Download
You can download the fineliner brush set here:
Just import the brushes into Procreate and they'll appear in your brush library.
If you end up using them, I'd love to hear what you think!