Steel Poles are Available Pre-Drilled for Arm Mounted Area Lighting or with Tenon Mounts for Flood and Post Top Luminaires. Reinforced Cast Iron Hand-Hole Cover with Ground Screw. Easily Secured Base Cover. Polycarbonate Spring Loaded Top Cover Included with Side Drilled Poles. Set of Four (4) Anchor Bolts (J-bolts) Included. Conforms to ASTM-A 500 Grade B: Minimum Yield Strength of 46,000 PSI. Bronze Polyester Powder-Coat Finish to Ensure Maximum Paint Adhesion. Baked to Ensure Maximum Hardness & Durability.