Extra Quality [patched] | Gdp Ep 347

No. The "Extra Quality" rating is void once you alter the surface via grinding or cutting. The heat-treated case is only 0.5mm to 1mm deep. Re-machining exposes soft core metal.

The term "Extra Quality" frequently appears in the context of digital distribution. For users searching for "ep 347" in this format, it usually refers to: gdp ep 347 extra quality