Lowest Prices on Mailboxes, Period.

Keystone Mailboxes with Pentad Mount Post

  • The Gaines Keystone mailbox, shown in black with polished brass with curved braces and decorative cuffs, is one of our best selling mail boxes
  • This decorative mailbox is virtually maintenance free since it is made of cast aluminum and covered with a powder coat paint finish so it will never rust
  • The powder coat is available in several color options and complimented by several different accents to allow you to find a unique mailbox that will be a perfect match for your home
  • The Keystone Mailboxes with Pentad Mount Post System has optional address plaques with personalization
  • Door Plaques and Flags are made of solid brass or aluminum
  • There is also an available decorative post cuff for each post
  • This mailbox is also available in single post mount system with a deluxe post or a standard post
Available Finishes And Accents
 
Keystone Mailboxes Metallic Bronze Antique Bronze
Metallic Bronze with
Antique Bronze
gmmks20a-mbz
Keystone Mailboxes Metallic Bronze Polished Brass
Metallic Bronze with
Polished Brass
gmmks4a-mbb
Keystone Mailboxes Metallic Bronze Satin Nickel
Metallic Bronze with
Satin Nickel
gmmks24a-mbs
Keystone Original Mailboxes Black Antique Bronze
Black with
Antique Bronze
gmmks21a-blz
Keystone Original Mailboxes Black Polished Brass
Black with
Polished Brass
gmmks7a-blb
Keystone Original Mailboxes Black Satin Nickel
Black with
Satin Nickel
gmmks25a-bls
Keystone Original Mailboxes All Black
Black with
Black
gmmks19a-bl
Keystone Original Mailboxes White Antique Bronze
White with
Antique Bronze
gmmks22a-whz
Keystone Original Mailboxes White Polished Brass
White with
Polished Brass
gmmks1a-whb
Keystone Original Mailboxes White Satin Nickel
White with
Satin Nickel
gmmks23a-whs
Keystone Original Mailboxes All White
White with
White
gmmks15a-wh
Keystone Original Mailboxes Almond Antique Bronze
Almond with
Antique Bronze
gmmks26a-amz
Keystone Original Mailboxes Almond Polished Brass
Almond with
Polished Brass
gmmks3a-amb
Locking Insert
 
Gaines Keystone Original Mailboxes Locking Insert
 
Order Your Mailbox
Our Low Price: $1,867.00FREE SHIPPING
Availability: In Stock Ships In 1 Day
Quantity
Finish and Accents
Keystone Mailboxes Finish Options More Info
Address Plaques
Keystone Mailboxes Address Plaques More Info
Curved Braces
Keystone Mailboxes Curved Braces More Info
Locking Option
Keystone Mailboxes Locking Option More Info
Mailbox Details
Item Number:
  • Mailbox
  • GMMKS
  • Post
  • GMPPENTMNT
Includes:
  • 5 Mailboxes
  • Pentad Mount Post With Post Cuffs
  • Optional Address Plaques
  • Optional Curved Braces
  • Optional Locking Inserts with 2 Keys Each
  • All Assembly Hardware
Size:
  • Mailbox
  • 12-1/4"H x 10-3/8"W x 20-1/8"D
  • Post
  • 77-1/2"H x 83-7/8"W x 22-3/4"D
Weight:
  • 138 lbs.
Manufacturer:
  • Gaines Manufacturing
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