729789121002

• 7 — Number system
• 29789 — Manufacturer code
• 12100 — Product code
• 2 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Light 0.012-.054 Martin marquis guitar strings

Search for Light 0.012-.054 Martin marquis guitar strings on Amazon (or for the code 729789121002)