Fits 4B and 4B+ mailboxes. Key is removable in locked position only. 90 degrees clockwise to open. ESPLock part no. PTR-656UN.Package includes: 1 lock with 2 keys, 5 OEM replacement cams, and 2 different gauge Mounting Clips. Designed forindoor specifications.Compatible with Comp-x National mailbox locks C8710, C8711, C8712, C8714, C8715 and C8718. American Lock AWWGPTCL6814A. Keyed Different. Uses ILCO ES9, 1503 key blank. Mounts with clip.