R-7311 Stainless Steel Bollard Covers are suitable for posts under 8-5/8 inches in diameter. Corrosion-resistant 316 stainless steel protects steel pipe security posts from wear and corrosion, while increasing visibility and aesthetics. Stands 42 inches tall and features a flat top. 4 installation methods available: Spray foam adhesive, set screws, top hanger, or J hanger. Optional powder coating in 1 of 6 custom colors.