Upon shipping, the aerator measures 42 by 13 by 10-1/2 inches and weighs 81 pounds; made in the USA Cores hard-packed earth to allow greater irrigation and oxygen access in 40-inch wide swathes Steel tray holds 6 spools with 4 galvanized heat-treated points per spool for penetration For towing behind a tractor; hitch pin is included Travels on 2 10-by-4-inch pneumatic wheels; upright handle for easy activation, Manufacturer: Agri-Fab Inc