This is a Pack of 10 Premium Clockwise Mailbox Locks that fits a majority of vertical and horizontal style mailboxes, includes both clip and nut for different mounting options.

USPS-L-1172C style lock for USPS-STD-4C style mailboxes

Compare to CompX C9100

Uses the NA14/1069L key blank

Features & Benefits:

• Finish: Bright Nickel
• Keyed Different
• Keying: HL1 Keyway
• Precision Engineered
• Chrome Plated Cylinder and Cams for improved rust resistance
• 90° clockwise cam turn (KMCMCW) or 90° counter-clockwise cam turn to open.
• Cylinder has a huge number of keycodes to improve safety and prevent duplication.
• Optimum Quality control monitoring
• Premium Mailbox Locks use the National D4292, or Ilco 1069LB
  
• This product is compatible with
  

Includes:

• Three HL1 keys
• Mounting Clip
• Lock washer and Cam nut
• Heavy-Duty Cam (CompX National C7120 equivalent)