How I wish! I do custom heat treat, but alas my grinding is way too poor for anyone's use but my own. Those were made by Geno Denning. He sent a caper pattern that he found from George Herron and I marked it up. 2.75blade/6.75OAL. .090 stock CPM154.
You can no more tell someone how to do something you've never done, than you can come back from somewhere you've never been...