Do pruner/grafter blades fit 91mm or 93mm...

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...knives. I’ve have this gardening knife with the best damn looking blades but I’d much rather they we’re in a 91mm or 93mm alox frame - a Farmer X with naughty looking clip point would be fantastic for example.

I’m guessing the pins are 3mm?

They are in a 100mm knife of course but are much shorter than the frame so hopeful someone has already tried this?