The heat treat is also done in the USA through the tool maker who cut and produced the anvils. The way that OEM MG725 anvils are typically available is with an MG725 tool submission to the Service Center for full repair.

Brand: SNAP ON
Non-Domestic Product: No
Type: Air Tool Parts
Warranty: No
Custom Bundle: Yes
Manufacturer Part Number: MG725-12R, MG725
Country/Region of Manufacture: United States
Modified Item: Yes