Steel：This safety pile is made of steel, which has high hardness, high strength and . Welded and integrated structure enables the bollard to withstand impact. High Visibility：Yellow powder coat pipe increases driver's visibility to enhance awareness and caution when driving and protects traffic barriers parking posts . Easy Installation： The yellow bollard with 3 anchor bolts is easy to install in the bottom plate with 3 pre-drilled mounting holes. Assembly can save you energy and time. Multi purpose：This guarded steel column stands in the vertical direction to improve the view and protect the entrance, parking lot, sidewalk, bicycle lane. Commonly used in traffic areas.