Turn your string trimmer into a hedge trimmer with this attachment. The HART PowerFit 17.5 in. Universal Hedge Trimmer Attachment is ideal to cut branches and new growth up to 3/8 in. thick. This hedge trimmer 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.