Manganese steel forging bending 90 degrees without deformation, the knife body ancient method of blackening process processing.The edge of the whole hand [linear push grinding research white] processing hardness up to 60 ° cutting iron does not hurt the edgeManganese steel forging bending 90 degrees without deformation, the knife body ancient blackening process processing.
The edge of the whole hand [linear push grinding research white] processing hardness up to 60 ° cutting iron does not hurt the edge.
