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Signature Keystone Outer Post/Curve Brace Custom Order for Multi-Units of 6 or more (Contact us for Quote)

Signature Keystone Outer Post/Curve Brace Custom Order for Multi-Units of 6 or more (Contact us for Quote)

Product Details:

Signature Keystone Outer Post/Curve Brace Custom Order for Multi-Units of 6 or more (Contact us for Quote)

All Original Keystone and Signature Keystone Multi-Mount systems can be CUSTOMIZED to accomodate from two boxes to fifty (or more). Please contact our live assistant to discuss your project and to learn about the distinctive accessories that will help you devise the look you are seeking.  Postal workers and residents alike will appreciate the horizontal plane that helps them avoid bending and snooping.  Lockable inserts are available and even large orders ship quickly.

This durable cast aluminum mount mailbox system is built and designed to withstand the harshest of elements and comes complete with Posts, Triple and Single Mount Beams, Finials, Curved Braces, and Post Cuffs. Mailboxes and plaques sold separately.

Metal and Finish
The Keystone Series Mount Mailbox System is constructed from durable A360 rust-proof cast aluminum. Extremely sturdy and light-weight at the same time, cast aluminum is 100% rust-resistant. It is formed by pouring aluminum into a mold of the end product. During the manufacturing process, the aluminum goes under substantial amounts of pressure, which produces an extremely dense material that can withstand the harshest of conditions.

A five-stage, powder-coated paint process is utilized to ensure that the Keystone Series Mount Mailbox System is quality-wise consistent, durable, and possess a high-quality finish. Powder coating has ultraviolet ray (UV) inhibitors that protect the surfaces, making the finish resistant to chipping, scratching, fading, and wearing.


  • Mailboxes
  • Address Plaques
  • Newspaper Holders
  • Locakable Inserts
  • Posts attractively mounts multiple mailboxes
  • Design includes Posts, Triple and Single Mount Beams, Finials, Curved Braces, and Post Cuffs.
  • Keystone posts are designed to match Keystone Mailboxes
  • Made from weather resistant, rust proof cast aluminum
  • Maintenance free, powder coated finish
Related Downloads:
PDF LOGORelated Products Catalog
PDF LOGOInstallation Instructions
Manufacturer Details:

About Gaines Mailboxes

In 1991, Gaines Manufacturing recognized a need in the market for a line of beautifully designed and expertly manufactured mailboxes. To meet this consumer need, Gaines Manufacturing designed and brought to market the Classic Mailbox Collection. It became an overwhelming success and provided the impetus for future mailbox lines including The Keystone Series and The Wallmount Mailbox...

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    Wall Mount Mailboxes Locking Mailboxes Commercial Residential