AECXM 4"x4" (Actually 3.5"x3.5") Heavy Duty U-Shaped Fence Post Holder Bracket, Wet Concrete Post Bracket, for Deck railings, Fences, mailboxes, gazebos Wet Concrete Foundation Support (Black-4Pack) — Open-Box, 14% Off

STURDY AND DURABLE STAINLESS STEEL: Heavy duty U-shaped guardrail post bracket is made of thickened 201 stainless steel plate and Φ5/8" rebar, Which is laser cut and welded in strict accordance with the engineering process specification, The bottom 0.25" thickened steel plate is stacked and processed, And 4 rebars are seamlessly welded through the steel plate, And the surface is sprayed with outdoor dark grey powder coating, Which is water-proof and rust-proof, And the overall fence post holder bracket is thick and stable SCOPE OF APPLICATION: U-shaped fence post base separates the wooden post from the wet concrete, Reduces the risk of moisture damage to the wood, Makes the wooden post more stable and has a longer service life. It can be used as a connection between wooden post foundations of Deck railings, Fences, Mailbox, Terrace psotbase, Wood Gazebo, etc., And Wet concrete foundations SPECIFICATION SIZE: 3.66" L x 3.5" W x 16" H (Ground Height: 8", Underground Depth: 8"). Fits standard 4"x4" (Actually 3.5"x3.5") wood posts - Due to variations in wood size and dryness, it may be necessary to sand the edges of the wood to achieve the proper mounting dimensions SIMPLE INSTALLATION: All accessory screws (all made of 304 stainless steel) are included. 1.Insert the anchors into the wet concrete before the concrete is set; 2. After the concrete is dry, insert the wooden post into the bracket, drill the pre-drilled holes on both sides respectively and lock the screws; 3. Drill the through-holes in the wooden post with the drill in the middle and bottom, insert the screws into the wooden post and lock the nuts to complete the installation SET INCLUDES: 4 post base bracket; 8 sets of screws/nuts set-Φ5/16"*L4.5"; 16 hexagonal screws-Φ1/4"*L1.57"; 32 spiral washers-Φ1/2"; 1 drill bit-Φ1/4"; 1 drill socket-Φ0.55". If you have any questions, please feel free to contact us by email! Notice: Actual mounting dimensions for wet concrete post brackets are 3.5" x 3.5", Due to the dryness and wetness of the wood, the wood may need to be sanded to match the bracket size during the installation.