48", Commercial Plug Aerator, 6 Aerator Spools With Four Replaceable Heat-Treated Knives Each, Plug Design Digs & Powerfully Loosens Even The Toughest Soils, Weight Tray Holds Up To 200LBS. For Added Weight & Increased Soil Penetration, Reinforced Tongue For Added Strength & Durability, Common Hitch Pin Attachment For Easy Use With Any Vehicle, Heavy-Duty Transport Tires, Cantilever Transport Handle For Easy Raising & Lowering.