Height: 1000mm, 1100mm, 1200mm etc. Outer Diameter: 90mm, 114mm, 140mm, 165mm etc. Wall Thickness: 4mm, 5mm etc. Base Plate Size: 225x225x12mm, 250x250x12mm etc. Top: Steel cap. Surface: Galvanized and powder coated yellow. Benefits: Protects utilities, electronics, machinery, buildings, or pedestrians from accidental collisions Note: Custom sizes are available as per customers' request.