Efco chain saws feature legendary Italian design and performance, delivering astounding quality and reliability. These chain saws utilize engines with linear torque speed for rapid and responsive acceleration — even during extended periods of use. Nylon filters improve performance and ensure trouble-free operation and easy maintenance. Chain Saw Type: Gas, Bar Length (in.): 18, Chain Pitch (in.): 0.325, HP: 3.1, Cylinder Displacement (cc): 45, Primer Bulb: Yes Ideal for more demanding uses like medium-to-large diameter cutting, felling and limbing Primer bulb, compression relief and semi-automatic choke for easy starts Side-chain tension adjustment Oregon bar and chain