This no dig, no cement mounting system means a faster, easier way to install your vinyl arbor. No concrete required and you can leave the shovel and wheelbarrow in the garage! Sized to fit vinyl arbors with 4" x 4" posts. Use with the Fairfield II Arbor, Nantucket II Arbor, or Newport Arbor. Galvanized steel augers and plastic sleeves. Hardware included. Set of four.