The Poulan pro edger attachment for trimmers has a rugged 7-inch hardened steel blade and a barrier handlebar to protect against accidents. It can be used with most attachment-capable gas trimmers, and has a heavy-duty magnesium gear box that holds up to heavy use. You adjust this edger attachment"s cutting depth up to 2 inches. Just click and go to install the attachment, which is backed by a 2-year limited warranty. Editor"s Note: This product is an edger attachment and does not come with an upper shaft or motor.