Premium Material: The triangle nail is made from high-strength steel, ensuring wear resistance, durability, and long-term use even in outdoor conditions. Wide Application: The heavy-duty triangle nail is ideal for use at parking lot entrances, residential walls, and commercial building perimeters to restrict vehicle access and enhance security. Effective Design: Features sharp spikes to efficiently deter unauthorized vehicles from entering protected areas. Easy Installation: These spikes can be flexibly arranged according to specific needs and are adaptable to various terrains, making installation straightforward and easy. Package Includes: 30 triangle nails. Size: Height from ground to tip is 2.5 cm (0.98 inch). Note: Slight variations may occur due to manual measurement and screen display differences.