RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer, 4.0 Ah Battery and Charger IncludedBrand: RYOBI Trimmers Features: Attachment capable: accepts RYOBI expand it attachments and other universal gas attachments to save time, money and space Variable Speed Trigger for Cutting Control Publisher: RYOBI Trimmers Details: 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