Troy-Bilt, 22 in., walk-behind string trimmer mower. This trim mower comes with a 163cc Briggs & Stratton engine and an offset deck for trimming against walls and fence lines. It has a 22 inch cutting width and uses heavy-duty square. 155 in. line. The adjustable head has 5-positions ranging from 1 inch to 6 inches. It comes with 14 in. x 2 in. ball bearing wheels and 2 year limited warranty.