BISupply Concrete Post Anchor 4x4 Post Base Spike 4 Pack - U Shape Fence Post Holder Pergola Brackets Deck Post Base Set

Support vertical wooden posts with the BISupply U-Shaped Concrete 4x4 Post Spike Anchors 4 Pack. It fits standard 4 x 4-inch square posts on deck, pergola, and similar application footings. 2 methods can be used for installation. The first is drilling a hole in existing concrete and gluing these post spike 4x4 holders into the hole. The second is pouring wet concrete and installing the wood post ground anchor holders while the mud is still wet. The rebar spike end is for shearing strength and needs to be inserted entirely into the concrete so the U-shaped bracket bottom is sitting flush with surface. Use 7/16 or 1/2 bolt size in the center opening and 1/4 bolt size for corner openings of predrilled screw holes. Not intended for ground insertion. Posts and screws not included. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.