This accessory is suitable for both the Mantis Mini Cultivator & the Mantis Electric Cultivator. The lawn aerator cuts thousands of tiny slits in your lawn, encouraging beneficial micro-organisms in the soil. It is the single most important measure for a healthy, green lawn. It allow oxygen, nutrients & water to penetrate to the soil below. The grass roots can grow down deeper, making your lawn more resistant to hot, dry spells. Working Width 10 / 25cm.