A fast and easy way to install your Hooks and Lattice Mail Post, is to use the Ground Anchor/Screw. The ground screw replaces the method of digging and pouring concrete to secure your mail box. Made of galvanized steel, the Ground Screw simply screws into the ground and supports a common 4x4 wood post. The mail box post slides over the 4x4 and is fastened to it with screws. Provides a sturdy support for many years.