PlantCraft Tow Behind Lawn Roller Spike Aerator 36" Wide, Universal Hitch for Ride on Mower, Garden TractorThe PlantCraft TSA36 Tow Behind Roller Spike Aerator is an exceptional piece of garden equipment. This reliable time saving machine is made from high strength steel with a rust resistant powder coat finish. The TSA36 lawn aerator roller has a spike depth of 2. 5 which improves a lawns water and fertiliser absorption at the root layer. It has 78 steel spikes staggered among 12 rows. You can get the job done quickly too, as it's rated to be towed at