COMPATIBILITY: Replacement for USPS-L-1172C National C9100 series mailbox locks, ensuring perfect fit and functionality.90 Degrees Clockwise. SECURITY: Includes 3 matching keys for secure access, with clockwise rotation mechanism for reliable locking EASY INSTALLATION: Simple replacement process with standard mounting hardware and clear instructions DURABLE CONSTRUCTION: Built with quality metal components for long-lasting performance and weather resistance Secure your mailbox with the L-1172C National Mailbox Lock, a replacement for C9100 mailbox key locks.

This clockwise-operation lock comes complete with a set of 3 keys, ensuring you always have a backup when needed.

Designed specifically for wall-mounted mailboxes, this lock provides reliable security for your daily mail and packages.

The lock mechanism is engineered for smooth operation and long-lasting performance.

Installation is straightforward, making it an ideal replacement option when your existing mailbox lock needs updating.

The durable construction stands up to regular use while maintaining consistent functionality.