Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
40 x 155mm L-Type Wrench LWJ-PC3080
Brand: Generic / OEM
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Audited BOM: 3 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 use of low-quality material (tier 3) in the wrench body (COMP-001) leads to its deformation under moderate torque, as described in ENG-001, resulting in returns (RMA-001) and customer complaints (REV-001).
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