Lawn Aerator Spike Wheel Type Straight Plug Working Width 40 in Spike Diameter 1 in Aeration Depth 2 1/2 in Weight Capacity 100 lb Frame Material Steel Hitch Type Pin Total Number of Spikes 60 Overall Height 18 in Overall Width 48 in Wheel Width 2 in Overall Depth 31 in Number of Spike Wheels 10 Spike Wheel Material Steel Wheel Diameter 10 in Wheel Type Flat Free Handle Type Single Lever Transport