Husqvarna 967166101 450 2-Cycle Fully Assembled Gas Chainsaw, 50cc, 20-Inch 20-Inch Bar 50cc 2-Cycle engine 0.325-Inch pitch and.050 gauge X-Torq engine for high power with low fuel consumption Air purge system and combined choke/stop control for easier starting, Purchase this Husqvarna handheld item along with 3-32 ounce cans of Husqvarna pre-mix fuel, register your product online, and your consumer warranty will be extended from 2 years to 4 years