This Lamy stainless steel replacement nib in black in an Extra Fine point size is a great replacement option for your Lamy fountain pens - specifically Lamy Studio, Al-Star, Safari. These are easily replaceable, and offer you the option to swap nib sizes without having to buy a second pen. These replacement nibs will also fit the Lamy LX and Aion fountain pens, but the style is slightly different from the original nibs.