What method does oregon use

[J.W Younger]

for getting the excellent edge on the LGX/LPX series of chain?I can't come close to duplicating it with a round file or a grinder.

 

[mtngun]

for getting the excellent edge on the LGX/LPX series of chain?I can't come close to duplicating it with a round file or a grinder.

I'm sure they are using a grinder. Prolly a little better grinder than what we use, though.