Let nutrients into your lawn with this 40 inch width Spiker Aerator. Spike aerators use a series of rotating star-shaped tines that slice into the soil to allow seed,  fertilizer,  water,  air,  light & nutrients to reach the grass roots. Best for black dirt & loamy soils. Specifications:
 Frame: steel weight tray 
 Spike disks: twelve 9" dia. disks 
 Transport wheels: 7x 1.5 semi-pneumatic 
 Approx. Shipping Wt. 64 lbs 
 Boxed for home assembly. Carton 
 Size: 43.12L X 11.75 W X 3.625 H inches. Manufacturer's 1 year warranty