All The Essential Features In One Sheet

Dimensions: The post spike head measures 3.7" x 3.7", with a total length of 23". It fits perfectly onto posts with dimensions of 3.5” x 3.5”. The anchor can insert up to 18” into the ground, ensuring strong construction and reliable performance.

High Quality Material: The Insaga mailbox post anchor is made from heavy-duty steel with a black powder coat finish and smooth welds, ensuring it won't rust or corrode over time.

Wide Use: This 4x4 post spike is the perfect solution for securely anchoring your fence, mailbox, sign, lamp, deck, gazebo, or pergola posts to the ground. Its decorative options can enhance the look of any outdoor application as well.

Easy to Install: Place the anchor in the desired position, place a short piece of wood (3.5x3.5" inner size), and start hammering. Check for level every few hits, then replace with your actual fence post when driving them into the ground.

Package Included: Each purchase comes with 6 post base spikes and 36 screws.

Order with No Worries: If you have any questions about our products, please contact us anytime. We'll always be here to help.