Troy-Bilt TB575 EC 29cc 4-Cycle 17-Inch Straight Shaft Trimmer This 4-Cycle Trimmer is powered by a 29cc engine delivers maximum torque for the constant power you need The Straight shaft design provides users with an extended reach under shrubs and bushes Equipped with JumpStart capability that eliminates the need to pull cord to start trimmer (engine starter sold separately) The convenient dual line bump head makes loading more string to your trimmer easy so detatchments won't slow you down for long, and 17-Inch cutting swatch ensures trimmer efficiency Connects to attachment-capable trimmers, including Troy-Bilt, Remington and Craftsman and more!