Usage function: The U-shaped bollard is sturdy and practical. It easily feels the bump and blocks drivers from over-running parking spots or hitting walls, protecting your car's exterior. Available in lengths: 19.68, 31.49, 39.37, 47.24, 59.05 inches. Tire-friendly design: The base is molded in one piece with a large stress surface for stronger stability. The surrounding slope is rounded, greatly reducing the force exerted when tires press the U-shaped rod, protecting tires. Easy installation: The parking bar guardrail is designed for easy installation and disassembly at any time. It is convenient for movement and adjustment, ideal for danger warning, traffic control, and crowd diversion in traffic areas. Durable construction: Made from high-quality materials, this bollard withstands impacts and weather conditions, ensuring long-lasting use in parking lots, garages, and other traffic areas. Versatile application: Suitable for a variety of settings including residential driveways, commercial parking lots, and construction sites. Effectively prevents unauthorized parking and enhances safety.