Nibengrößen
Nibengrößen refers to the measurement of fountain pen nibs, which determines the thickness and character of the line it produces. These sizes are standardized by manufacturers but can vary slightly between brands. Common nib sizes include Extra Fine (EF), Fine (F), Medium (M), and Broad (B). Each size offers a different writing experience and is suited for various purposes.
Extra Fine nibs produce very thin lines, ideal for detailed work, small handwriting, or sketching. Fine nibs
Beyond these standard sizes, many manufacturers also offer even finer (e.g., XXF) or broader (e.g., BB, BBB)