Simple cartridge replacement for quick and easy refilling
Compatible with all D1 cartridge pens for versatile use
Oil-based ink delivers smooth, consistent writing
Solid black color for professional and everyday writing
Pack of 3 refills ensures long-lasting supply
Summarized by Shop
Get your Refills!
Simply pull out the old cartridge, pop in the new one, and you're ready to continue drumming up that next big idea. Works with all D1 cartridge pens, but preferably used with the Stilwell.
Ink Type
Oil-based
Ink Color
Black
Refill Cartridges per Pack
3
Compatible Pens
All D1 cartridge pens
Brand
The James Brand
Summarized by Shop
4.8
17 ratings
5
4
3
2
1
I had a problem
Upon using my pen for the first time the ink wasn't working, I emailed and they did not hesitate to send me a replacement and they work amazing
L
Lee · February 24, 2026
Nice
Good ink refills. Haven’t needed to use this far. If they write like what came with pen, We are golden!
M
Michael · January 20, 2026
Not cheap
I was worried about cheap refills for the price charged. These seem like good quality. Im happy.