Originally Posted by Stitchnripper

I switch blades between cutters all the time. And this leads me to wonder. How many blade factories are there? Is it one factory producing all (or most) of the blades? Does Olfa contract with a different factory or different process than Gingher? And it would be fun to find out if Harbor Freight blades are made in the same place with the same process. Just something to ponder on this sunny Thursday morning!