CompX National D4301 Mailbox Lock Key Blank M3-0658, 2112
CompX National is the only USPS authorized manufacturer of USPS-L-1172C mailbox locks. CompX National Key Blank D4301 fits Mailbox Locks C9100 and C9200, the only mailbox locks to meet and exceed USPS specifications USPS-L-1172C for USPS-STD-4C mailboxes.
To purchase related products, see C9100 mailbox lock, see C9200 mailbox lock and see C7120 cam, each sold separately.
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