Be free from Oil Stain, Dent, Inclusion, Scratches,
Stain, Oxide Discoloration, Breaks, Corrosion, Roll Marks,
Dirt Streaks and other defect which will interfere with use.
The Edge are cut neat and there are't cracks and burrs
There aren't cracks, nitrate marks, corrosion spots,cortexes & non-metal on the surface.