Garland Heavy Duty Hollow Tine Lawn AeratorAerating your lawn can give it the extra help it needs to grow thicker and deeper rooted grass which would otherwise not be possible. The reason it is necessary to aerate your lawn is that some soil is naturally very compact as a result of many solid soil particles in a small space. The act of lawn aeration works to separate these particles which contribute to blocking the roots access to nutrients, air and water. Key Features: Four large tines for