The Hardest Knife in the World 90 HRC!

Is this the ultimate knife? In this video we showcase a tungsten carbide knife with an incredible hardness of 90 HRC on the Rockwell scale far beyond all traditional steels. But is such extreme hardness practical or just a fascinating experiment? Watch and find out! How many Rockwells does your knife have? Share your thoughts in the comments below! Japanese natural sharpening whetstones ,