The 48" plug aerator is made of black powder coated steel and the plug aerator is towed by a garden tractor. It has a convenient weight tray that allows you to add weight as needed for optimum performance.working width:48", overall weight:103.62 lbs, package dimension:50*17.72*7.48 inch (l x w x h), pneumatic tyres diameter:10", capacity:Approx 50kg