Tools & Home Improvement > Hand Tools > Wrenches & Socket Sets > Combination Wrenches
L-Type Wrench Steel 1.4" x 5.2" (36x132mm) LWJ-PC3077
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
Inadequate heat treatment (ENG-001) on the arm (COMP-002) causes low hardness, leading to deformation (RMA-001) and failure under moderate stress, as reported by users (REV-001, REV-005).
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