Main Category : Other Mailbox Products - USPS Approved & For Private Use/Access / Replacement Mailbox Locks Replacement Mailbox Locks HMB2000 [ enlarge ] Item Id: 7475490 Qty :   Private Locking Mailbox HMB2000 Series HMB2000 Tenant Door Lock w/ 2 keys Item # H200116 Price: $19.95 ea. (Packed 3 per box) $59.85 per box.