Troy-Bilt TB525 EC gas string trimmer with SpringAssist™ technology is easy to start and easy to use. The dual line and Click N Trim™ bump head, allows the trimmer head to be reloaded quickly and easily on the spool! With more power at lower RPM’s than a 2-cycle trimmer, this trimmer has an easy-to-use curved shaft and is designed to accept TrimmerPlus® trimmer attachments. It also accepts our JumpStart™ electric start adapter. This Troy-Bilt trimmer is durable and reliable. TrimmerPlus® attachments and JumpStart™ sold separately.