The TB35 EC gas string trimmer is equipped with a bump head line release that instantly releases a pre-measured line. It includes an additional Aero-Flex fixed blade trimmer head and runs on a 25 cc 2-cycle engine. The two-piece straight shaft accepts TrimmerPlus trimmer attachments. Equipped with SpringAssist technology and JumpStart electric start capability, this gas trimmer is easy to start and use. The TrimmerPlus attachments and JumpStart are sold separately.