Durable and Sturdy: 4 sign posts are made from high-quality galvanized steel Q235 castings, ensuring high strength and durability. They are treated with corrosion-resistant coating to prevent rusting of the fence posts. The green coating provides a natural appearance, blending harmoniously with the environment for an overall aesthetic and coordinated look. Pre-drilled Holes: These post sign holders feature pre-drilled 0.39''/10mm holes, with 30 holes pre-drilled per post. The hole spacing and size are standardized for all post heights, allowing for easy installation. Easy Installation: The metal sign post includes 8 sets of screws for secure fixing and easy insertion into the ground without the need for special tools or strenuous digging. Simply push the 8-foot posts into the ground. Note: A hammer can be used for hard surfaces. Comprehensive Accessories: Sign stand comes with complete accessories including 4 pieces of 6-foot posts, 8 external hexagon bolts M9