The RYOBI EXPAND-IT 10” Pole Saw Attachment is part of the RYOBI EXPAND-IT Attachment System. Easily transform your attachment capable string trimmer into a pole saw saving money, time, and space. This pole saw extends up to 12’ allowing you to reach tall limbs & branches. With its 10" bar & chain, you can cut limbs up to 8" in diameter. It is equipped with an automatic oiler for consistent chain lubrication & longer chain life and has tooled chain tensioning for precise chain adjustments. The steel shaft provides additional durability. The RYOBI EXPAND-IT 10” Pole Saw Attachment is compatible with most gas & cordless attachment capable systems. It’s backed by the RYOBI 3-Year Manufacturer's Warranty and includes RYPRN Pole Saw Attachment, Extension Shaft, Shoulder Strap, Hanger Cap, and Operator’s Manual.