Check the listing for details. Square Heavy Duty Foldable Bolt Down Security Parking Post Bollard Driveway. Condition: New. Listed at 72.99 USD. Features: ★ This Safety Pile Is Made of Q235 Steel, Which Has High Hardness, High Strength and Durability. Welded and Integrated Structure Enables the Bollard to Withstand Impact. Height: 27.6 Inches ★ Powder Coating Finish Can Protect Parking Piles from Oxidation, Ultraviolet Rays and Discoloration or Rust. Black and Yellow Tops Increase Visibility. square size: 2.8x2.8 Inches ★ Steel Pipe Safety Column Adopts Sealed Bottom Design, Which Increases the Grounding Area. Base: 6.7X 4.5 Inches More Stable and Durable. No Need to Worry About Sand or Cement Seeping out of the Bottom. ★ the yellow Bollard with 4 Anchor Bolts Is Easy to Install in the Bottom Plate with 4 Pre-drilled Mounting Holes. Assembly Can save You Energy and Time.