Features: Note: Products contain pointed parts, assembly and use should pay attention to safety, to avoid scratches and injuries. Wide range of applications: The lawn aerators are suitable for most machines, so they are suitable for a variety of scenarios, such as farms, pastures, parks, yards, home lawns, etc. Specifications: Material: steel Color: black Size: about 32 inch/ 81 cm in length Diameter of spike disks: about 7.09 inch/ 18 cm Distance between spike disks: about 3.94 inch/ 10 cm Package includes: 1 x Tow behind disk aerator Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.