Troy-Bilt TB6042 XP 17-inch 25cc 4-cycle Straight Shaft Trimmer with Jumpstart Technology This straight shaft trimmer is easy to start and maneuver, and provides extended reach into high places The 25cc 4-cycle premium grade engine is equipped with JumpStart techology allowing the engine to be started without pulling the cord Equipped with a 17-inch cutting swath for trimming efficiency SpeedSpool Pro bump head makes loading up to 20 feet of line fast and easy Attachment-capable design allows the trimmer engine to power 10 different TrimmerPlus attachments, turning your trimmer into a garage full of tools