Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
29mm Combination Wrench, 12.6-inch (320mm) Length, LWJ-PC3040
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
Inadequate heat treatment (ENG-001) compromises material strength, leading to wrench breakage under moderate torque (RMA-001), corroborated by immediate failure reports (REV-001).
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