Swartz Ink Products
All products from this brand (2 total)
Amazon.com: "Package of Two" Smith Corona DX-2600, DX-3400, DX-3500, DX-3600, DX-4000, DX-4400, DX-4500, DX-4600, DX-5000 and DX-6000 Typewriter Ribbon, Correctable, Compatible : Office Products
B00B8DM7YU