Tools & Home Improvement > Hand Tools > Screwdrivers & Nut Drivers > Screwdriver Sets
Aluminum S2 Precision Screwdriver Set LWJ-2290
Brand: Generic / OEM
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Audited BOM: 7 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 of S2 steel (ENG-001) makes the bits brittle, leading to breakage during use (RMA-001), as reported by users (REV-001, REV-005).
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