AgriFab Towed Plug Lawn Aerator 45-02992 comes with a 48 inch aerating width, and 140lb capacity weight tray for increased penetration this model will aerate to a 3 inch depth. The 8 spools of aerator knives are galvanised for rustproof durability, and will remove ¾ inch diameter plugs from the lawn allowing compacted soil to loosen up. Best for easily compacted soil, like clay, heavy traffic areas (playgrounds and sports fields), and burned out, drought damaged lawns