Pelikan ‘Giant 337’ ballpoint pen refills. Fine, medium or broad point, available in black or blue ink.
These are also suitable for Porsche Design ballpens*.
* PLEASE NOTE: Porsche Design writing instruments and refills are actually manufactured by Pelikan. Previously they were manufactured by Faber-Castell (hence the Pelikan 915405 refill replaces the Faber-Castell 148740 refill, for example).
Size: 98mm x 6mm.
ISO 12757-2 G2 M DOC
(Also there is sometimes an additional 3-digit batch code mentioned on barrel).
Black Fine: discontinued; last few left!
Black Medium: 4012700915405 (replaces 148740 by Faber-Castell)
Blue Medium: 4012700915436
Blue Broad: 4012700915443 (replaces 148751 by Faber-Castell)