GroundTech Ground Master Post System 24 in.

Installed within minutes. No digging holes, no mixing concrete, and no waiting for concrete to set. Installed with just a sledgehammer and level. Penetrate shale, root and clay. Two bolts (included) for safely secure post. Reusable. Resists twisting and buckling. Tested to withstand nature's extremes. Permanent and economical. Protects your wood posts against insects, fungus and water damage. Enhance the beauty of your outdoor landscape with mailboxes, birdhouses and feeders, decorative planters, trellises, garden arches, and lampposts. Enjoy the fun of outdoor games and sports like volleyball and badminton. Used to install patio fencing, wire fences, tree stakes, firewood stackers, composters, and small signs.