Master Rancher, 36'', Drum Spike Aerator, 14" Drum Diameter, 40'' Overall Length, 78 Steel Spikes Penetrates Ground To 2 -1/2", 280 LB Capacity, Holds 24 Gallons Of Water, Helps Nutrients Get Into The Soil & Down To The Roots, Heavy Duty Puncture Proof Steel Roller, Drum Can Be Filled With Water For Additional Weight, Durable Powder Coat Finish, Minimum Parts To Assemble, Works With Lawn/Garden Tractors & ATVs.