【Versatile Sizing 】 Available in 36”, 42”, and 48” heights (sold in sets of 2, 4, or 6), these 4.5” diameter posts fit various needs.Good looking Bollards, functional. These were easy to handle, installed easily, and they are very visible and sturdy. 【Complete Perimeter Security Solution】 Create an effective safety barrier to protect property, equipment (like units), and pedestrian areas. Ideal for commercial, industrial, and residential use to control traffic and mark boundaries securely. 【Durable & Impact-Resistant Protection】 Crafted from 3mm thick industrial-grade steel with a reinforced anti-rust coating, these heavy-duty safety bollards withstand impacts and harsh weather, offering reliable long-term protection for warehouses, parking lots, garages, and driveways. 【Easy Bolt-Down Installation】 Each steel bollard post features a pre-drilled base plate and includes 4 heavy-duty anchor bolts for a secure, permanent installation into concrete. Achieve a professional setup quickly without needing tools. 【Enhanced Nighttime Visibility & Safety】 High-visibility reflective yellow tape wraps around each bollard, dramatically improving visibility in low-light conditions to prevent collisions in high-traffic zones, loading docks, and residential driveways after dark.