Main Category : Other Mailbox Products - USPS Approved & For Private Use/Access Replacement Mailbox Locks - For Vertical & Horizontal Mailboxes H1400/H1450/H1600/H1250/H630 [ enlarge ] Item Id: 7475483 Qty :   Horizontal & Vertical Mailboxes H1400, H1500, H1450, H1550 & H1250 Series Universal Horizontal & Vertical Tenant Door Lock w/ 2 keys. Item # HK30809 Price: $9.95 ea. (Packed 3 per box) $29.85 per box. Master door commercial lock for private use/access. Item # H30844 Price: $19.95 ea. (Sold individually)