Agri-Fabs 48 in. Tow Plug Aerator can remove 3/4 in. Dia by up to 3 in. length soil plugs from a lawn, in turn allowing compacted soil to loosen up, this in addition to the benefits provided by a plug aerator. Best for easily compacted soil like clay, heavy-traffic areas such as playgrounds and sports fields and drought damaged lawns. Weight tray can hold up to 140 lbs. allowing for increased soil penetration by the 32 aerator knives.