AXWHYS 4×4 Post Base 6 Pcs, (Inner Size 3.5x3.5) Deck Post Base,  Heavy Duty Black Metal Powder-Coated Post Anchor, Post Brackets for Outdoor Support Deck Base Plate Pergola Brackets Fence Kit

Solid Steel - The post bracket of this column is made of solid steel. Black premium powder coating. Absolutely rustproof.

4x 4 Post Base---For standard 4x4 posts (actual inner dimensions 3.5"x 3.5".At 5.5 inches high, it is very firmly attached to the ground whether it is used for wood or concrete floors.

Footprint Design --- Designed for small base areas. Perfect for backyard gazebos, deck supports, porch railings, handrails and post mounts and mailbox post mounts.

Unique design: There is a partition at the bottom of the 4x4 post base, which is designed to be completely separated from the ground. Long term use will not cause the wood to rot due to rain. There is a small square box in the middle of base to make it more stable

Supplied With Accessories---A wrench. 24 expansion anchors for concrete floors, 24 socket head wood screws for wood floors, 48 Phillips head self-tapping screws for 4x4 post fixation.