SELF-INKING DESIGN: Features a convenient self-inking mechanism with vibrant red ink for clear, consistent impressions without the need for a separate ink pad" "COMPACT SIZE: Stamp impression measures 12mm in width, perfect for quality control marking and document verification tasks" DURABLE CONSTRUCTION: Built with quality materials for long-lasting performance in busy office or industrial environments "CLEAR IMPRESSION: Delivers crisp, legible 'Q.C. PASSED' text that stands out prominently on documents and materials