R-7305-EX Stainless Steel Bollard Covers are made of corrosion-resistant 316 stainless steel, and suitable for posts under 6-5/8 inches in diameter. Protects steel pipe security posts from corrosion and wear, while increasing visibility. This is a taller version of the R-7305 with a height of 42 inches and features a dome top. 4 installation methods available: Spray foam adhesive, set screws, top hanger, or J hanger. Optional powder coating in 1 of 6 custom colors.