The Senix GTBCU4QL-M 4QL Gas Powered 31cc Straight Shaft Brush Cutter/String Trimmer features a 4-cycle engine that does not require mixing of gas and oil but remains lightweight and powerful. Four-cycle engine has lower emission and is more environmentally friendly than 2-cycle. Large 17.7-inch cutting width and 10-inch brush cutter blade saves you time by trimming a larger surface area. The straight shaft design with a standardized coupler provides extended reach under bushes and shrubs and the use of attachments. Includes 10-inch brush cutter blade, bump head with .095 spiral trimming line, and harness strap. All SENIX 4QL gas powered products are backed by our 3-year limited warranty for your peace of mind. Cutting Capacity: Large 17.7-Inch cutting width and 10-inch brush cutter blade saves you time by trimming a larger surface area Powerful Engine: The 31 cc 4QL® 4-cycle full crank engine provides strong power with low vibration Capable of precise trimming with the use of the dual .095-inch line bump feed, which allows for tackling stubborn weeds Ease of Use: Patented 4QL® Technology (Quantitative Lubrication) 4-cycle engine requires no mixing of gas and oil, and provides all-directional use, which means no stalling or oil leakage and keeps the motor lubricated in any direction Cutting Capability: The dual .095-inch spiral line bump feed allows you to tackle tough weeds and growth Compatibility: Standardized coupler allows for multiple attachments for a variety of applications Maneuverability: 4QL® engine is 20% more compact and lightweight, straight shaft for extended reach and pro-style front D- handle for easy trimming and edging Eco-Friendly: 4QL® technology delivers low emissions and low fuel consumption Includes: Harness, cutting head shield mounting screw, torx wrench, socket spanner, 2 oz bottle of engine oil Warranty: 3-year limited warranty for peace of mind