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.) : 16 Chain Pitch (in.) : .325 HP 3.4 Cylinder Displacement (cc): 51.7 Primer Bulb : Yes Additional Product Specs * Ideal for more demanding uses like medium-to-large diameter tree cutting and felling * Primer bulb, compression relief and semi-automatic choke for easy starts * Side-chain tension adjustment * Oregon bar and chain