Gas-like power you want, attachment capability you need. The RYOBI 40-Volt X Expand-it Trimmer delivers power like a gas trimmer, with none of the hassle of mixing oil and gas. Attachment capability means you can add on RYOBI Expand-It attachments, saving you time, money and space. The RYOBI 40-Volt X Expand-It Cordless Trimmer comes with premium 0.080 in. twisted line and the REEL-EASY bump-feed string head for faster reloads, usually found only on gas trimmers. The cutting width is adjustable for longer run time or wider cutting width. This trimmer is recommended for yards up to 1 acre.