Master Lock 001USN - 4500USN - 3251USN Replacement Key
Example Master Lock 001USN - 4500USN shown.


Master Lock 3251USN Replacement Key
Key Series
001USN - 4500USN



Order your Master Lock 001USN - 4500USN replacement padlock keys by selecting your lock code below. The lock code determines the correct key for your padlock and will be stamped on your key or original packaging, NOT your padlock.

PADLOCKS ONLY > MASTER (FRAMON/PLUNGE CUT) | MUST BE LOCK CODE FROM KEY OR ORIGINAL PACKAGING, NOT THE PADLOCK
Custom Cut Key

KEYS CUT On M1 KEY BLANK.


$8.87