FITMENT: Attaches a post to existing concrete for decks, patio covers and other top-supported structures. RUST RESISTANT： 8x8 deck post base is made of galvalume steel.Durable, can be used for a long time. The post base has a 1" height increase to better protect the wood , which makes the product less prone to rust when used outdoors, extending the life of the post base and making it easier to retain the aesthetics. HEAVY DUTY： The thickness of the post bracket is superior to that of other products, ensuring increased height while maximizing the load capacity of the wood post bracket. MORE STABLE： For suitable columns, after tightening the screws to complete the installation, they can withstand the wind and rain to ensure the stability of the columns, thus better protecting the Deck/Patio.