Vodaland's galvanized steel edging system. This system interlocks with a seamless attachment hinge, making it an invisible connection within the system. Perfectly designed for structural integration around your home and garden. Even more perfect for your installation with our GeoCells, HexPave Grid, or EasyPave Grid, to hold all of your gravel right into place. Designed with our own galvanized stamped steel, strong to last the test of time and provide great strength and stability. Comes with 3 of the mounting spikes per unit ordered. Each unit is 3.3 ft in length.