GL4500E Chainsaw easy start,potable chain saw.new-designed ... sprocket,Full anti-vibration system,Standard bar:(pitch)18"(0.325)Optional bar:(pitch)16",20(0.375) Bore×Strokemm43× ... systemAutoFuel tank capacityml520Chain oil tank capacityml260Guide barIn.(cm)16,18,20(40,45,50)Saw chain(Pitch× ... .26×1.47)Teeth of sprocket7Dry weight(without bar and chain)Kg(lbs)4.9(10.8) ... 20:1,After use 25:1 GL4500E Chainsaw