This manual lawn aerator is designed to improve your lawn's health by allowing optimal airflow and water circulation. It features 3 rows of short nail plates and 3 rows of long nail plates, along with 33 rustproof spikes for wide coverage. The drum can be filled with sand or stone for deeper aeration, ensuring better root development. The aerator has a long, non-slip, ergonomic handle for comfortable use and reduced back strain. Crafted with a painted metal frame, it's built for lasting performance and is suitable for various soil types and scenes like gardens and yards. Assembly is quick and easy with the provided instructions and tool-free spring buttons.