Tanaka ECV-4501 chain saw is a professional mid-range chain saw. Ideal for firewood cutting. Chain Saw Type : Gas Bar Length (in.) : 18 Chain Pitch (in.): .325 HP 2.5 Cylinder Displacement (cc): 43 Chain Brake : Yes Oil Pump Flow : Automatic Low Vibration Handle: Yes Additional Product Specs * Mid-size * Walbro® carburetor * 4-pt. rubber mount anti-vibration system * Airforce™ air filtration system * Oregon® bar and chain