In this guide, we explain the basics of dip pen nibs and nib holders, and provide comprehensive tables showing which nibs are compatible with which holders.

Fountain pens are different from your typical ballpoint or gel pen, so you can face problems you never planned for. In this guide, we’ll tackle some basic issues that you might experience with your fountain pen and show you how you can fix them.

We lined up every mechanical pencil and lead holder size next to each other to show how they really compare. This is where you find the best pencil for super-tiny planner squares and finally learn what the difference is between 0.5 mm and 0.7 mm leads.

If you're not sure what the difference is between A4 and Letter size paper, or how big a Semi B5 notebook is, start here. We explain how international paper sizes work and compare common A and B Series paper sizes to Letter size.

Watercolor pencils are a near-magical combination of colored pencils and watercolor paints, allowing artists to achieve both precise marks and gentle washes. We explain how watercolor pencils work, specific techniques for how to use watercolor pencils, and recommend some of the best watercolor pencils for your art.