609400007208

• 6 — Number system
• 09400 — Manufacturer code
• 00720 — Product code
• 8 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

O p source international 1 dozen standard stik pen

Search for O p source international 1 dozen standard stik pen on Amazon (or for the code 609400007208)