I got these tools from a friend and colleague of mine. He went to an Izakaya and had conversations with a random person at the restaurant. And the guy end up being a retired woodcarving master. He graciously gave my buddy all his old tools since he doesn’t use them anymore. I ended up snatching a few gems.
These tools were apparently out of commission for a while due the rusts on the blades. I had to remove the rust and polish them using this rubber square piece.