Jacobsen 82525 Aerator-Seeder is a versatile machine engineered to efficiently handle both seeding and aerating tasks, promoting a healthier and more aesthetically pleasing lawn. Its 21-inch seeding width, coupled with the precise 3-inch seed spacing, ensures even distribution of seeds for optimal germination and growth. The adjustable blade depth allows you to customize the aeration intensity, ranging from light surface aeration to deep core aeration, effectively addressing soil compaction and thatch buildup.