Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
40 x 145mm L-Type Wrench Steel Chrome LWJ-PC3079
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 lack of adequate heat treatment in the steel (ENG-001) prevents the wrench body (COMP-001) from withstanding high torques, leading to deformation (RMA-001) and customer dissatisfaction (REV-001, REV-005).
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