Dirty Hand Tools 101085 149cc Kohler XT675 Engine, 22" Walk Behind High Wheel String Trimmer Powerful and agile grass and weed trimmer that can tackle the toughest of jobs in the most difficult locations. Large 14 inch x 1.75 inch width wheel size. Orange 0.157 inch diameter (4mm) x 19 inch length cutting line. 14 gauge steel frame. 4 inch diameter trim ball with 4 inch heat treated cutting blades. You can trust Dirty Hand Tools for all your outdoor power equipment needs.