
100%
Malco S3R Offset Hand Seamer
by Malco Products— Made in Annandale, MN
Verified American Made
American Score
94% — High
Why not 100%? Full verification requires additional independent sources
Manufactured in Annandale, MN
Manufacturing in USA since 1950Verified through 3 independent sources
- Known factory location
- Brand website
- Product listing (Annandale, MN)
Evidence Breakdown
Factory: City-level verified
Website claim: Yes
History: 20+ years
Overseas lines: None known
HVAC duct seaming tool made in Annandale, MN by Malco Products. Right-angle offset blade for seaming duct flanges in tight spaces. Drop-forged steel construction. Made in USA. Essential for HVAC duct installers.
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