Xinxinlin 1570 Replacement Mailbox Lock for Florence F Series – 3 Keys Included (USPS L-1172C C9100)

Overview

Restore reliable security to your Florence F Series mailbox with the Xinxinlin 1570 replacement lock. Designed for CBU and 4C mail units, this kit brings a fresh, USPS‑compliant mechanism that pairs ease of installation with durable construction. The package includes three keys and a latch, so you’ll have a ready spare and a simple route back to routine mail delivery. The C9100 variant is a clockwise rotating lock, aligning with common USPS standards and helping you keep mail access straightforward and predictable.

Whether you’re replacing a worn or hard-to-turn lock or upgrading to a higher‑security option, the 1570 replacement model is built to perform under daily use. Its thoughtful design emphasizes straightforward installation, dependable operation, and long‑lasting performance, making it a practical choice for households and small businesses that rely on timely, secure mail handling.

What’s in the package

• 1570 replacement mailbox lock
• Three keys for convenient access and spares
• A latch to ensure smooth reassembly and secure closure

Key benefits

• Easy replacement that minimizes downtime and disruption to daily routines
• Enhanced security through a keyed-different (KD) configuration, reducing unauthorized access risk
• Durable, high‑quality materials designed for long‑lasting performance
• Clockwise rotation compatibility with USPS L-1172C C9100 standards, helping meet common mailbox specifications

Compatibility and support

The lock is suited for Florence F Series CBU and 4C mail units and is designed to align with USPS‑1172c standards. If questions arise during installation or usage, responsive support is available to address pre‑sale and after‑sale inquiries within 24 hours. This blend of compatibility, security features, and dedicated support makes the Xinxinlin 1570 a practical option for maintaining secure, accessible mail delivery.