Ryobi Expand-It ZR15703 Hedge Trimmer Attachment For String Trimmers (Certified Refurbished) 17-1/2-inch blade length for easy control and less weight ATTACHMENT ONLY, power base sold separately. This Certified Refurbished product is tested & certified by Ryobi to work like-new but may have scuffs, scrapes and dirt. The product includes all original accessories, and is backed by a 1 Year warranty. Fits many attachment capable trimmer brands including Ryobi, Homelite, Toro, Weed Eater, and Troy Bilt