Efficient Soil Penetration: Our spike lawn aerator features with 7.56-inch steel star shaped spikes with shims, our lawn aerator machine with foam armrests, which makes it easier and more comfortable to use. Each spike rotates independently, allowing water, air, and nutrients to reach the roots easily. Sturdy Material:The rolling lawn aerator is made of high-quality black coated steel, which is durable,rust-proof and has a long using life. The wheel structure with bearings gives it greater load-bearing capacity and flexibility. and the sharp steel teeth can be used in harder soils, resulting in more efficient operation. Wheel Design & T-Handle :The lawn aerators comes with four flexible plastic rollers, which can be rolled easily.The 48.2-inch long steel T-handle allows you to easily operate the lawn aerator tool without bending over, reduce back pain. Wheel Design, work comfortably and efficiently, save your time. Use Method: Manual aerator lawn tool is suitable for most kinds of soil ,allowing air, water and nutrients to fully reach the root system. and please water the lawn first, then wait one or two days to aerate soil, when taking care of your lawn, patio and garden, making work easy. Easy to install : The aerator lawn tool comes with a instruction manual, you can easily assemble it . You also could add brick or stones to increase weight, to reach the roots easily. Please pay attention to safety when you install and use it. 18-Inch Lawn Aerator,Heavy Duty Push Spike Aerator with 4 Wheels,Aerator Lawn Tool with Steel Handle, Manual Aerator Lawn Tool Suitable for Lawn, Garden and Yard