Compatible with reliable locks for National C9100, C9200, for 1570F Series, and for -L-1172C, , STD-4C mailbox and cabinet doors. Cost-effective solution that allows for the replacement of the cam lock core without needing to replace the entire lock or cabinet. Constructed from metal materials, ensuring it can withstand daily wear and tear, thus extending the lifespan of the lock. Heavy-duty design enhances security for mailbox lock replacement, providing peace of mind for users. The C7120 mailbox replacement is an essential component for maintaining the functionality of mailbox locks. Its robust construction and compatibility with multiple lock systems a reliable choice for those looking to restore their mailbox security without incurring high replacement costs. This is designed to endure the rigors of everyday use, ensuring long-lasting performance and security. Color: As Shown Material: Metal Package Contents: 2*Heavy-Duty Cam Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.