This is a replacement Untipped Non-Flex Calligraphy Nib that will fit all Noodlers Ahab OR Konrad fountain pens.  The listing is for 1 replacement Untipped Non-Flex Nib.  

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.