Gas Chainsaw 20 Inch: This chainsaw adopts a high-quality two-stroke engine, which has the advantages of high efficiency, high power, reliable operation, and long service life. The high-hardness guide bar and sharp chain are long-lasting, making it easier for you to cut wood. It adopts a diaphragm carburetor, which burns fully and saves fuel Excellent Performance Chainsaw: The 2-stroke engine with 58cc displacement, 10500rpm high speed, and 2.6KW high power, the 20" guide chain, and the diaphragm carburetor with the function of atomizing fuel help this 20 inch chainsaw keep normal and economical operation, reduce emissions, achieve fast cutting, thus providing excellent performance and meeting most cutting needs(about 19.69" cutting diameter) High Safety: Petrol chainsaw gas power can only be activated by pressing the flameout switch and the throttle lock button at the same time, which can prevent accidentally touching the throttle switch and your safety. In addition, a quality brake stopper allows for emergency braking, protecting your hands from injury and avoiding sawdust splatter Good Heat Dissipation: The air-cooling system and the dense cooling holes in the casing dissipate heat quickly and promptly. The automatic lubrication system can lubricate the guide bar and chain during cutting without the need for frequent lubrication, saving you more time and energy Convenient and Comfortable: Gas powered chainsaw cordless design, lightweight(17.64 lbs) and 0.15Gal tank capacity. Moreover, the quality silencer and large handle can effectively reduce noise and vibration, providing you with a comfortable cutting environment. chainsaw gas powered is widely used for wood cutting, forest felling, tree pruning, and shrub pruning in gardens, farms, parks, forests, pastures, orchards, and so on