Tools & Home Improvement > Hand Tools > Wrench Sets
4 Pc Adjustable Wrench Cutter Screwdriver Set GJ-043
Brand: Generic / OEM
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Audited BOM: 8 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low hardness and resistance of the carbon steel used for the adjustable wrench jaws (COMP-001) is an engineering failure (ENG-001) that directly leads to stripping and deformation under use, resulting in returns (RMA-001) and consumer complaints (REV-001).
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