The Ryobi Expand-It 10 in. A Pole Saw Attachment features a 10 in. bar and chain that is ideal for pruning and cutting limbs up to 6 in. thick. The angled trimming head allows for user control and more precise cuts. An automatic lubrication feature helps keep the attachment well-oiled during use. This pole saw attachment can be used with Ryobi, Toro, Weed Eater, Troy Bilt, Murray, Poulan Pro and other universal brand fit power heads and trimmers. Universal brand fit 10 in. bar and chain 8 in. cutting capacity Angled cutting head for better cut control