Use the HART PowerFit Cultivator Attachment to convert your string trimmer into a tiller. The attachment features adjustable 7 in. to 10 in. steel tines and a durable gear box. This cultivator attachment can be used with HART, Black Max, RYOBI, Toro, Weed Eater, Troy Bilt, Murray, Poulan Pro Trimmers and other universal brand fit power heads and trimmers.