
100%
Proto 1-3/8 Inch 12 Point Combination Wrench
by Proto Tools— Made in Coopersburg, PA
Verified American Made
American Score
94% — High
Why not 100%? Full verification requires additional independent sources
Manufactured in Coopersburg, PA
Manufacturing in USA since 1907Verified through 3 independent sources
- Known factory location
- Brand website
- Product listing
Evidence Breakdown
Factory: City-level verified
Website claim: Yes
History: 20+ years
Overseas lines: None known
Heavy-duty box end wrench for professional use. Made in USA. 12-point design for multiple positions.
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Proto 1-3/8 Inch 12 Point Combination Wrench
94% American Score














