Yard Butler M-7C Lawn Spike Aerator Lewis Multi-Spike Lawn Aerator 36in Four hardened spikes loosen compacted soil, allowing deep watering for greener lawns This product is made in China Four 3-inch spikes penetrate and loosen compacted soil Spike aeration loosens soil and thatch to let air, water, and fertilizer down to the roots Spike aeration also stimulates root growth by separating the roots Your lawn will look better with less water and fertilizer Lifetime warranty