Upright Extension

Necessary when the location of install is 6" or more below the road's surface, and is available in two lengths to best suit your installation location needs.

• 24" Upright Extension adds up to an additional 21" in height to the boom arm and mailbox (this will suit most ditch locations)
• 48" Upright Extension adds up to 45" in height to the boom arm and mailbox.
• Galvanized steel construction (necessary when ditch is 28" or more in depth)
• Easily attaches to any SwingClear Mailbox Post (preferred with Rural Mailbox Post for the most sturdy of installs)
• Height adjustable

To help determined location of install and whether an upright extension is needed, you can measure back from the desired location of the front of the mailbox, determining if the depth is 6" or more below the road's surface. Below are measuring guidelines given the style of mailbox post and the size mailbox you will be using:

Rural Mailbox Post *Preferred post for deep-ditch installation
Medium Mailbox - 52" back from edge of road
Large Mailbox - 54" back from edge of road

Suburban Mailbox Post
Medium Mailbox - 42" back from edge of road
Large Mailbox - 44" back from edge of road