Walk Behind String Trimmer Mower, 22-Inch 161cc 4-Stroke Engine with High WheelAbout this item POWERFUL ENGINE The 161cc 4 cycle OHV gas engine equipped with easy start ignition system and auto choke, chops down your unsightly weeds and stubborn brush with ease. LARGE CUTTING CAPACITY With a 22" cutting swath and heavy duty 0. 155" trimming line, this trimmer is great for large areas. MANEUVERABILITY The large 14 in. wheels allow you to float through thick grass, weeds, brush, nettles, and other foliage too difficult for push