No gas, emissions, oil mixing or pull startsBL Brushless Motor delivers up to 7000 RPM with 13 in. String Trimmer AttachmentLever style lock system allows for quick tool-less installation and replacement of attachmentsHigh/Low speed button for power and run time managementVariable speed trigger for controlled speed13 in. String Trimmer Attachment includes rapid loading bump and feed trimmer head that loads line in seconds with 3 easy steps: align, feed and twistCompatible with a variety of couple shaft attachments (sold separately)Features Extreme Protection Technology (XPT) engineered to provide increased dust and water resistance in harsh job site conditionsEquipped with Star Protection Computer Controls to protect against overloading, over-discharging and over-heating3 Year limited warranty on tool, battery and charger No gas, emissions, oil mixing or pull starts BL Brushless Motor delivers up to 7,000 RPM with 13″ String Trimmer Attachment Lever style lock system allows for quick tool-less installation and replacement of attachments Lever style lock system allows for quick tool-less installation and replacement of attachments XUX02SM1X1 18V LXT Lithium-Ion Brushless Cordless Couple Shaft Power Head Kit w/ 13″ String Trimmer Attachment (4.0Ah)