http://tinyurl.com/nac6ndp<P>Mantis 4222-00-02 Tiller Aerator AttachmentProduct Review<P> Click on the link for more reviews<P>Aerator Attachment for all Mantis Tiller/Culitvators<P>Slices thousands of tiny slits into the lawn to reduce soil compaction and allow beneficial nutrients and water to reach grass root systems.<P>Lets in air and water, which promotes the activity of beneficial soil microorganisms, and encourages healthy lawns.<P>Four sets of tempered steel blades<P>Easily attaches to any Mantis Tiller/Cultivator<P>