[Pack of 4] 4"x4" Heavy Duty Post Base for Concrete (Actual 3.5"x3.5"),Stainless Steels U-Shape Post Holder,Wet Concrete Foundation Post Base ,for Deck Railing,Fences,mailboxes,Pergola.

Heavy-duty 201 Stainless Steel material - Strong, Sturdy and Durable.Excellent design, Exquisite craftsmanship - Beautiful and Safe.Includes screw fittings required for installation - Simple and quick installation saves time and effort.

• SIZE: The concrete post base holder size 3.66" L x 3.5" W x 16" H .Fits standard 4"x4"，the inner size is 3.5"x3.5" (Height above ground: 8", Depth into ground: 8"). Attention: Due to changes in the size and dryness of the wood, it may be necessary to sand the edges of the wood to achieve the appropriate installation dimensions.
• Heavy duty stainless steel material: The heavy-duty U-shaped guardrail post bracket is made of Φ 5/8"steel bars and thickened 201 stainless steel plate ,with a bottom of 0.25" thickened steel plate stacked and processe, 4 steel bars seamlessly welded through the steel plate. The surface of the column bracket is coated with black powder coating, which is waterproof and rust proof, providing safe, beautiful, stable solution for your base construction.
• Easy installation: 1. Before the concrete solidifies, insert the anchors into the wet concrete until they are parallel to the concrete; 2. After the concrete is dry, insert the wooden column into the bracket, drill pre drilled holes on both sides, and tighten the screws; 3. Drill a hole through the wooden column with a drill bit, insert the screw into the wooden column, tighten the nut, and complete the installation.
• Widely used: The U-shaped fence post base separates the wooden post from wet concrete, reducing the risk of damage to the wood due to moisture, making the wooden post support more stable and having a longer service life. It can be used as a connection between wooden column foundations such as pergolas, terraces, fences, deck railings, and wet laid concrete foundations.
• The package includes: 4 base bracket; 8 sets of screw/nut sets; 16 hexagonal screws. We strive to provide you with professional and high-quality products. If you have any questions, please feel free to contact us at any time!