Linder Group Inc Mailbox Lock Replacement for Cluster Mailbox CBU NDCBU L1172C Compatible with USPS Standard Secure Mailbox Keyed Lock Clockwise Operation Kit

Designed to fit national-style cluster mailbox units meeting USPS standards, this replacement lock restores secure access to mail compartments in residential communities, commercial complexes, and business parks

Featuring a 90 degree clockwise operating direction, this lock provides smooth rotation for opening and closing mailbox doors while ensuring consistent alignment with existing hardware, cams, and latches

Constructed from durable metal materials, this cluster mailbox lock is built to withstand frequent daily use and changing weather in outdoor curbside installations as well as high traffic indoor mail rooms

Each lock includes unique keying to strengthen security and help prevent unauthorized access, mail theft, or tampering while supporting compliance with standard postal requirements for letters and small parcels

The set includes one c9100 style lock body, one mounting nut, and one spring clip, providing the essential hardware needed to replace worn or damaged locks on compatible cluster mailbox doors without extra parts

Three included matching keys allow multiple authorized users, such as tenants, family members, or staff, to access the mailbox compartment across residential homes, apartment communities, and office suites