The TB304S features a 30cc, 4-cycle engine that is cleaner, produces less noise, and eliminates the mixing of gas and oil. It comes with a 17" cutting swath to cut wider areas of grass in less time and SpringAssist® technology for easier pull starts. The high capacity Click 'N Trim® Bump Head is easy to load and reduces downtime. The straight shaft trimmer for greater reach under shrubs, around fence posts and other obstacles. Its TrimmerPlus® attachment capability allows for more versatility and less storage space. The multi-position adjustable handle reduces vibration and operator fatigue. Includes a shoulder strap, 4-cycle engine oil, and a 2-year limited warranty.