Echo CS-2511P ChainsawPower is measured in productivity, not pounds. The rear handle CS 2511P features an industry best power to weight ratio, helping to ensure a long day of work isnt more exhausting than it needs to be. Features: 25 cc professional grade, 2 stroke engine For outstanding performance and durability G Force Engine Air Pre Cleaner Extends air filter life and reduces maintenance intervals Palm rest For a secure hold and more saw control Spring assist starter