Tools & Home Improvement > Hand Tools > Wrenches > Combination Wrenches
L-Type Wrench 1.4" x 5.3" (36x135mm) LWJ-PC3078
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) makes the wrench body brittle, leading to breakage (RMA-001) or bending (REV-004) under moderate stress, contrary to durability expectations.
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