30 tow-behind aerator uses 64 galvanized steel tines to pierce the soil up to 2 creating perforations that allow water, air and nutrients to reach the soil and help keep grass vibrant and healthy. U.S.A. Aerator Type: Spike, Working Width (in.): 30, Spikes (qty.): 64, Weight Capacity (lbs.): 50 Features a steel weight tray to increase soil penetration (50-lb. capacity) Includes hitch pin Assembly required