The Insaga 6PCS Fence Post Anchor Metal Ground Spike in black powder coated finish is the ideal solution for supporting heavy loads like fence, mailbox, lamp posts, and other heavy items. Made of robust 4x4 metal, these heavy-duty stakes offer maximum strength and durability. Equipped with an inner diameter of 3.6x3.6", these anchors can securely hold posts of various diameters, making them versatile for various applications. The black powder coating not only provides aesthetic appeal but also enhances durability, preventing rust and corrosion even in harsh weather conditions. These stakes are built to last, ensuring long-lasting support for your projects.