Post spikes are metal brackets that set into the fence post or concrete footing to ensure the constructions firmly fixed in the desired place. It is also an excellent hardware to protect your construction from the damage of rust, corrosion and decay. Additionally, it is easy to install, durable and affordable, so that it is widely used in wood fencing, mail box, street signs, etc.
The surface of the post spike is plated with zinc, which means that it can prevent itself and the base of post free of the damage from moisture environment. So it has a long life to reuse and provide cost effectiveness to you in the long run.