This is a replacement NonFlex untipped Calligraphy Nib that will fit all Noodlers Ahab OR Konrad fountain pens.  The listing is for 1 replacement NonFlex untipped Calligraphy Nib.  This is a great nib to use if you want to "grind your own". 

Please check my store for other Noodlers pen replacement parts.  All my parts come directly from Noodlers and will be guaranteed to fit the associated Noodlers pen.