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Compare Our Different Fort Knox Mailboxes

Here’s an easy comparison grid for all of our mailboxes so you can see all the available options.
The table will scroll left to right so you can compare all of our mailboxes.

A means that option can be added for that mailbox.

Our
Mailboxes
M1-LT Mailbox

M1-LT

Small Standard Mailbox

Small Standard

Large Standard Mailbox

Large Standard

the fortress mailbox

Fortress

the vacationer mailbox

Vacationer

the senator mailbox

Senator

The Package Box

Package Box

The Vault mailbox

The Vault

Vault XL Mailbox

Vault XL

Vault XXL Mailbox

Vault XXL

Vault XXXL mailbox

Vault XXXL

Size (WxHxL) 10.25″x10″x20″ 10″x10″x21″ 12″x12″x23″ 12″x12″x23″ 12″x18″x23″ 12″x18″x23″ 18″x18″x23″ 12x24x23″ 12x36x23″ 18x36x23″ 24x36x23″
Weight (lb) 38 68 96 98 136 148 165 170 225 325 400
Lock Options
Tubular Included Included Included Included Included Included
Medeco
Abloy
Slam-Lock Included Included
Vault Lock Included Included Included Included
Vault Lock Extreme
(w/ Medeco)
Mail Tray Options SM SM LG LG LG LG LG LG LG
Post Options
– Size 2.5″x2.5″ LT 4″x4″ SM 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG 5″x5″ LG-T
– In Ground
– Surface Mount
Outgoing Mail
– Available Included Included Included
– Size 1/2″x10″ 1/2″x9.5″ 1/2″x11.5″ 3″x5″x11.5″ 3″x5″x11.5″ 3″x5″x11.5″ 1/2″x17.5″ 1.5″x11.5″ 1.5″x11.5″ 1.5″x17.5″ 1.5″x23.5″
Steel Thickness 11 gauge 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel 1/4″ Steel
Mail Storage
(appx)
1 week 1 week 2 weeks 2 weeks 4 weeks 2 weeks 4+ weeks
(mail only)
4+ weeks
(mail only)
4+ weeks
(mail only)
5 weeks
(mail only)
6 weeks
(mail only)
Package Size
Thru Slot
1.75″x10″x12″ 1.75″x9.5″x12.5″ 1.75″x11.5″x14″ 1.75″x11.5″x14″ 1.75″x11.5″x14″ 1.75″x11.5″x14″ 15″x16″x14″
w/slot added &
included Slam-Lock
3″x11.5″x10″ 6″x11.5″x12″ 6″x17.5″x12″ 6″x23.5″x12″
Package Size
w/ Slam Lock
7″x8.5″x14″ 7″x8″x15″ 9″x10″x15″ 5″x10″x17″ 11″x10″x17″ 5″x10″x17″
Included Package
Compartment
16.5″x16″x17″ n/a n/a n/a n/a
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