The Senix GTBCU4QL-M Gas Powered 31cc straight shaft Brush Cutter/String Trimmer features a 4-cycle engine that requires no mixing of gas and oil. It is lightweight and powerful with a large 17.7" cutting width and 10" brush cutter blade, saving you time by trimming a larger surface area. The straight shaft design with a standardized coupler provides extended reach under bushes and shrubs. This unit includes a 10-inch brush cutter blade, bump head with .095 spiral trimming line, and harness strap.