Yard Tuff's YTF-40SATL 40" Spike Aerator has an efficient working width of 40" to cover large areas in less time. It attaches easily with the pin-style hitch and works with lawn mowers and ATVs. Yard Tuff's Spike Aerator is corrosion-resistant with the powder- coat finish to give you a long-lasting product. With the 10, 8" diameter spike wheels, you are able to penetrate 2" deep for proper aeration. This powerful aerator allows nutrients into the soil for optimal health and performance from your soil. Yard Tuff's 40" Spike Aerator also features a weight tray for up to an extra 70 pounds, increasing soil penetration. It is ideal for use with looser soils higher in sand concentrations.