Why do some use an "auto-body" file to sharpen Grizzlies with? What's the benefit of this type versus the regular types of files? Thanks

cause grizzlies are hard some thing like 50 or 52 rockwell and some files are softer than that they used to make a file for them from the company is what i was told

Hi Old York,

In a few words, it's faster, here is a post I did.

http://tradgang.com/noncgi/ultimatebb.php?ubb=get_topic;f=1;t=078155;p=1

If you need a file  let me know, hope this helps.