Core Pre-Rolled Steel Garden Tree Rings BrownA range of pre rolled steel garden rings designed to create the perfect edge for plants, trees, shrubs and bushes. Galvanized and powder coated to ensure longevity Will not rust or flake Will not shatter if caught in trimmer or mower No sharp edges 3 round head bolts to secure each section The face and the ground spike are formed from a single piece of steel. The spike has a unique fold along its center, providing maximum strength. Reinforcing the