http://tinyurl.com/nqa6ahk<P>Agri-Fab Turf Shark 40-Inch Curved Tow Spike Aerator 45-0369Product Review<P> Click on the link for more reviews<P>Unique patented design combines the best features of a plug aerator and a spike aerator<P>Designed for thorough soil penetration without messy soil plugs<P>40" weight tray holds up to 100 lbs for increased soil penetration<P>9" curved discs, galvanized for rustproof durability<P>Simple-to-use cantilever transport handle for easy raising and lowering<P>