The lamy z 50 nib is made from high quality, durable, long lasting, black stainless steel. This nib fits all lamy safari, al-star and joy fountain pens. Select the nib grade to suit your individual writing style and preference. Nib grade: broad (b). Tip: to choose the correct nib width if you have small writing look at a finer nib, if you have a larger writing style look at a broad nib.