The Rapid Lawn Aerator is a fast, easy way to provide the environment for a healthy lawn. 60mm long spikes penetrate the hard crust and allow moisture, nutrients and oxygen to be absorbed by the grass roots, increasing moisture retention, aerating soil, and promoting growth. Stainless steel removable spikes. Durable polyethylene roller. Galvanised steel handle. Long lasting steel bearings. Water fillable - vary the weight to suit application. Optional tow-behind model for ride-on mowers.