LawnCrafter Walk-Behind Spike Aerator
"Digs Deep to Allow Greater Moisture and Fertilizer Penetration. 7" Spike Wheels. Requires Cinder Block"
Agri-Fab Spike Aerator - 40"
"40" weight tray; extra weight can be added for increased penetration into the ground to help loosen up compacted soil. 7" spike discs (8 total) with 8 spikes per disc will provide the needed penetration to loosen up soil"
Agri-Fab Plug-Type Tow Lawn Aerator - 40"
"Great for soil that gets heavy traffic or is easily compacted, this tow aerator easily removes .75" soil plugs from almost any lawn. Made of steel. Has 6 spools of galvanized aerator knives; 10x4" pneumatic tires allow for smooth transport"
Agri-Fab 40" Curved Spike Aerator
"Unites the best features of plug- and spike-style aerators in a unique patented design. Made of steel. 60 curved spikes penetrate up to a 3" aeration depth; the 9" galvanized, curved discs are rust-resistant"