Originally Posted by Crafter 4 Life
When I took a class at a LSS, the owner mentioned that Kokuyo tape that was sold in the US was bought by either 3M or some other US company. Maybe, you could try comparing the shape of a refill cartridge with another company's refill cartridge.
That's a good idea. I've actually started doing that. I think the problem with the original is that they are no longer being manufactured. Thanks for the suggestion, though. I appreciate it.