Pole Pruner Saw:PS2600 Displacement:26cc Power/Speed, kw/rpm:0.9/8500 Pipe length:2.50 m Chain oil feeding system:Adjustable automatic pump Fuel tank capacity:800ml Chain oil tank capacity:130ml Mass (without bar and saw, empty tank):4.8kg Guide bar length:12 in/30cm Pitch, in./mm:3/8 / 9.53 Guage, in./mm:.043 / 1.09 Fuel mixing rate:90#gasoline:2cycle special oil, up to 20hours Use20:1, After use 25:1