TPHUC 6-Pack 31.5″x4″x4 Fence Post Anchor Heavy Duty Metal Ground Spike TP003. DURABLE MATERIAL: Our fence post anchors are made of durable premium sturdy steel material. EASY TO INSTALL: To install the post without digging holes or pouring concrete. STABLE: The fence post anchor is equipped with two connecting bolts to improve the firmness and stability, ANTI-RUST: The surface is coated with a durable powder coating, which can be used for decades and can not rust even in wet soil and protect your decking wood from rotting. WIDELY USE IN OUR LIFE: This heavy duty metal powder coated fence post is very suitable for indoor activities, such as:mailboxes, publicity columns, sheds, guidepost, decorative flag poles, solar installations, banners, etc.