450Lbs Load U-Shaped Post Base Holder 4"x4" Galvanized Steel Deck Railing Supports for Fence Pergola

1. Seismic Reinforcement: Crossing-braced sidewalls withstand lateral forces up to 450lbs. 2. Ground Clearance Control: Adjustable height from 0.8 Inch to 2.4 Inch aboves concrete for termite prevention. 3. Common Fastener Kit: 304 stainless steel hardware resists rust in sprinkler zones or poolside areas. 4. Post Protection: Radiused inner edges prevent wood fiber crushing during torque tightening. 5. Multi-Project Value: 4-pack services 20ft of railing or four standalone columns (e.g., carport supports).