With the length of 1.4 in. rolling spikes, Your Aeration Work Will Become Much Easier. Rolling lawn aerator has less impact on the health of your lawn. Spike lawn aeration is ideal for lawns that are not badly compacted. Grass roots need air, water and nutrients to grow thick, deep and strong. When soil becomes compacted, even slightly, it inhibit the flow of the essentials that support thicker, healthier turf growth. Aeration creates holes down into the soil to alleviate compaction so air, water and nutrients can reach grass roots. Our push lawn aerator is made of durable galvanized steel, rust- and corrosion-proof for long-term use. Our 57 in. spike lawn aerator lets you tend to your lawn without back strain. Sharp spikes of the core aerator penetrate deep into the lawn, allowing air, water and nutrients to reach the root system, which helps you quickly grow a lush, green lawn. Moreover, our sturdy lawn aerator works well on most hard or soft soils. Reasonably sized, light-weight lawn aerators let you easily and effortlessly loosen the soil just by turning. Detailed instructions and all hardware are included for quick and easy assembly. Transform your lawn into a lush oasis with our Rolling Lawn Aerator. It's the perfect tool for achieving a healthy, thick and green lawn with ease. If you need further customization or have additional requirements, please let me know.