MM Pad | Fountain Pen Nib Thickness Gauge

The MM Pad is a transparent fountain pen nib thickness gauge designed to help you understand your writing with precision. Featuring clearly marked millimeter measurements and sample line widths, it allows you to compare your pen’s strokes directly against standardized nib thicknesses.

Simply write over the guide to identify exactly how thick your pen writes, making it an invaluable tool for ink testing, nib comparison, and journaling consistency. Its clear, minimal design keeps the focus on your writing while blending seamlessly into any desk or pen case.

Ideal for fountain pen enthusiasts, collectors, and anyone who enjoys a more methodical approach to ink and nib selection.