Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
10mm Combination Wrench, 5.5-inch (140mm) LWJ-PC3021
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
Insufficient heat treatment (ENG-001) leads to low strength of the wrench body (COMP-001), resulting in deformation under moderate torque (RMA-001) and customer dissatisfaction (REV-001).
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