8Pcs 24" Heavy Duty 4x4 Fence Post Anchor Ground Spike Metal Black Powder Coated - Mailbox Post Anchors. Length: 24 inches, Outer Dimension: 4” x 4” (Fit 3.5” x 3.5” Square Wood Post)

Specifications

• Easy Installation : Totel length: 24”, fit 3.5” x 3.5” wood posts without digging holes or pouring concrete. Take a scrap piece of wood to hammer the post anchor in the ground by using a mallet or a sledge hammer and it will drive the post anchor all the way in the ground.
• Sturdy And High Quality: The Post Anchors are Powder Coated Strong Street to last many decades to come and protect your decking wood from rotting.
• Multiple Uses: Screw In 3.5 inch x 3.5 inch Post Anchors are Ideal for Mailbox installations, Fencing, Decks, Street Lamps, etc. The No-Dig Ground Anchor offers a faster, cleaner, and easier way to install your post. It's an ideal way to avoid digging a hole and mixing concrete, it truly is a time saver.
• Screw In Cluded