Click on Related Products for a listing of our stocked keyed alike numbers for the Master Lock 6121KA.

Special order locks are available - if your key number is not listed, select the Factory Order Keying Option on this page when ordering.
Pro Series Padlock, Model 6121. Padlock supplied keyed to customer specification. Special Keying to customer keys codes available for quick ship. Quick ship, stock codes, and keyed different normally leaves our warehouse in 1-2 days. Quick ship does not include master keying. Please specify your key code in special instructions. We may require an image of both sides of your key to confirm we are ordering the correct item.

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Padlock, Pro 6121 Custom Keyed

  • Brand: Master Lock
  • Product Code: 6121 (Q)
  • Sku: 36650Q
  • Availability: 1 - 2 Days
  • $20.48


  • 6 or more $19.66
  • 24 or more $19.11

Available Options


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Tags: Master 6121, 6121 padlock, Masterlock 6121, Master Pro Series