Liberty Hardware 18 inch 4x4 Spiral Post Anchor


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The Liberty Outdoor 18 in. Steel Adjustable Mailbox Post Anchor is designed for use with the Liberty Outdoor Mailbox Post Kit or a Liberty Hardware Traditional 4 x 4 wood post. This anchor features an adjustable base plate with spiral design that installs easily and allows adjustment after installation. Instructions included.

Provides a cement-free solution with the Liberty Outdoor Mailbox Post Kit and Vortex ground anchor program

SHIPS IN: 1 to 3 Business Days

Regular Price: $41.23

Special Price $35.05

FREE SHIPPING on purchases over $99. Spend only $99 more to qualify.


Manufacturer Model #: APANCHR-HSG-U
Finish Color Hammerslag Green
Base Metal Steel
Width Inch 7.29 (185.17mm)

Shipping / Processing

Shipping / Processing

Most orders are processed and shipped within 1-2 business days but can vary by manufacturer.  Please refer to individual product information for approximated processing times.

All packages are shipped via UPS or FedEx Ground and take 2-5 business days to deliver to most addresses within the Continental U.S. Products may not be shipped to Post Office Boxes. Shipping charges are a flat rate of $7.95.

Expedited shipping is available to reduce in transit times for products.
Expedited shipping prices are per manufacturer.

UPS 3 Day Select       $35.00
UPS 2nd Day Air       $45.00
UPS Next Day Air     $55.00
Alaska, Hawaii and Canada   $29.95  

Please contact the Knob Deco customer service team at or 1-888-KNOBS-4-U (566-2748) if you would like to inquire about specific processing and shipping times.

Special Offers

Special Offers

Free Shipping for Orders Over $99

There are no shipping fees for orders placed with multiple manufacturers if over $99.

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