Arts & Crafts > Art Supplies > Drawing & Painting Supplies > Pens & Markers > Brush Pens
60 Colors Dual Tip Watercolor Brush Pens KA-2512
Brand: Generic / OEM
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Audited BOM: 6 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 loose fit of the pen caps (ENG-004) causes air leakage, leading to rapid tip drying (RMA-001), which is frequently reported by consumers (REV-001, REV-004).
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