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 In. 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.