Easy-rolling lawn aerator lets air, water and nutrients reach grass roots This Rolling lawn aerator helps you grow a lush, green lawn Quick and easy to assemble A fast and efficient way to keep your lawn aerated Breathes new life into your lawn without harmful and expensive chemicals Complete with 3 piece tubular steel handle Dimensions : 1260x460x150mm ；Wheel Diameter :140mm , PP plastic；Roller Material : steel plate ,zinc plated; Total : 27pcs nails;Nail work length : 1-1/3"