The TB304S features a 30 cc, four-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, four-cycle engine oil and a 2 year limited warranty.