Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
20x22mm Combination Wrench, 8.3-inch (210mm) Length, LWJ-PC3014
Brand: Generic / OEM
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Audited BOM: 5 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 of the steel (ENG-001) causes deformation in the wrench jaw (COMP-002), resulting in RMA (RMA-005) and customer complaints (REV-005).
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