The Lawn Aerator Is Made From Plastic Coated Steel With Comfortable Handles And A Convenient Foot Plate To Make It Easy To Push Into The Lawn. For Best Results Simply Brush Lawn Sand Into The Holes. 4 Hollow Tinesplastic Coated Steelsimple To Usecomfortable Handlesconvenient Footplate To Make It Easy To Push Into The Lawnusing A Hollow Tine Aerator In Lawns Has Huge Benefits improves Air Exchange Between Soil And Atmospherereduces Soil Compactionenhances Water Uptake And Useimproves Fertiliser Uptake And Useimproves Grass Rooting